./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:54:53,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:54:53,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:54:53,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:54:53,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:54:53,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:54:53,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:54:53,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:54:53,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:54:53,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:54:53,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:54:53,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:54:53,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:54:53,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:54:53,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:54:53,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:54:53,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:54:53,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:54:53,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:54:53,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:54:53,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:54:53,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:54:53,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:54:53,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:54:53,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:54:53,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:54:53,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:54:53,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:54:53,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:54:53,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:54:53,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:54:53,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:54:53,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:54:53,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:54:53,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:54:53,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:54:53,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:54:53,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:54:53,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:54:53,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:54:53,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:54:53,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:54:53,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:54:53,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:54:53,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:54:53,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:54:53,234 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:54:53,235 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:54:53,235 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:54:53,235 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:54:53,235 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:54:53,236 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:54:53,237 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:54:53,237 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:54:53,237 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:54:53,237 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:54:53,238 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:54:53,238 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:54:53,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:54:53,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:54:53,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:54:53,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:54:53,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:54:53,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:54:53,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:54:53,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:54:53,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:54:53,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:54:53,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:54:53,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:54:53,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:54:53,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:54:53,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:54:53,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:54:53,244 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:54:53,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:54:53,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:54:53,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:54:53,245 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:54:53,245 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_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 [2021-11-12 22:54:53,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:54:53,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:54:53,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:54:53,569 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:54:53,569 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:54:53,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 22:54:53,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/1f3349b4f/2e948436e1f94363bd4ccfa2041c77d6/FLAG5562b9dce [2021-11-12 22:54:54,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:54:54,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 22:54:54,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/1f3349b4f/2e948436e1f94363bd4ccfa2041c77d6/FLAG5562b9dce [2021-11-12 22:54:54,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/1f3349b4f/2e948436e1f94363bd4ccfa2041c77d6 [2021-11-12 22:54:54,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:54:54,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:54:54,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:54:54,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:54:54,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:54:54,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:54,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c6db97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:54:54, skipping insertion in model container [2021-11-12 22:54:54,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:54:54" (1/1) ... [2021-11-12 22:54:55,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:54:55,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:54:56,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:56,849 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,189 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,302 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,319 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,605 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,619 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,628 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:57,638 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,304 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,305 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,602 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,612 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,621 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,630 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:58,638 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,131 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,133 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,235 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,236 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,259 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,261 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,263 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,264 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,264 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,274 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,280 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,283 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,284 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,286 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,288 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,289 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,290 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,292 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,292 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,313 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,314 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,324 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,354 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,370 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,379 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,447 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,681 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,731 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,736 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,746 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,754 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,794 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:54:59,942 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,363 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,400 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,434 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,580 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,657 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,657 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,687 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,687 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,688 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,756 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:00,771 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:55:01,541 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2021-11-12 22:55:01,544 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2021-11-12 22:55:01,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2021-11-12 22:55:01,545 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2021-11-12 22:55:01,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:01,664 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:55:01,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d7a988b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:01, skipping insertion in model container [2021-11-12 22:55:01,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:01,665 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:55:01,667 INFO L158 Benchmark]: Toolchain (without parser) took 6679.71ms. Allocated memory was 102.8MB in the beginning and 234.9MB in the end (delta: 132.1MB). Free memory was 60.8MB in the beginning and 134.7MB in the end (delta: -73.9MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2021-11-12 22:55:01,668 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 68.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:55:01,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6674.01ms. Allocated memory was 102.8MB in the beginning and 234.9MB in the end (delta: 132.1MB). Free memory was 60.5MB in the beginning and 134.7MB in the end (delta: -74.2MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2021-11-12 22:55:01,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 81.1MB in the end (delta: 68.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6674.01ms. Allocated memory was 102.8MB in the beginning and 234.9MB in the end (delta: 132.1MB). Free memory was 60.5MB in the beginning and 134.7MB in the end (delta: -74.2MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5823]: 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_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:04,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:04,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:04,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:04,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:04,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:04,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:04,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:04,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:04,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:04,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:04,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:04,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:04,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:04,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:04,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:04,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:04,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:04,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:04,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:04,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:04,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:04,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:04,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:04,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:04,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:04,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:04,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:04,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:04,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:04,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:04,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:04,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:04,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:04,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:04,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:04,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:04,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:04,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:04,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:04,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:04,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:55:04,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:04,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:04,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:04,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:04,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:04,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:04,144 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:04,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:04,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:04,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:04,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:04,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:04,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:55:04,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:04,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:55:04,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:04,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:55:04,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:55:04,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:55:04,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:04,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:55:04,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:04,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:55:04,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:04,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:04,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:04,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:04,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:55:04,149 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:55:04,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:55:04,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:55:04,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:04,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:04,150 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_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 [2021-11-12 22:55:04,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:04,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:04,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:04,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:04,572 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:04,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 22:55:04,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/869404692/d95f644804aa453eb9129613a19ed2d6/FLAGd088cd2b1 [2021-11-12 22:55:05,927 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:05,929 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 22:55:06,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/869404692/d95f644804aa453eb9129613a19ed2d6/FLAGd088cd2b1 [2021-11-12 22:55:06,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/data/869404692/d95f644804aa453eb9129613a19ed2d6 [2021-11-12 22:55:06,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:06,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:06,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:06,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:06,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:06,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:06" (1/1) ... [2021-11-12 22:55:06,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34646c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:06, skipping insertion in model container [2021-11-12 22:55:06,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:06" (1/1) ... [2021-11-12 22:55:06,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:06,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:12,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2021-11-12 22:55:12,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2021-11-12 22:55:12,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2021-11-12 22:55:12,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2021-11-12 22:55:12,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:12,759 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:55:12,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:13,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2021-11-12 22:55:13,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2021-11-12 22:55:13,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2021-11-12 22:55:13,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2021-11-12 22:55:13,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:13,639 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:55:14,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2021-11-12 22:55:14,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2021-11-12 22:55:14,540 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2021-11-12 22:55:14,541 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2021-11-12 22:55:14,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:55:14,943 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:55:14,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14 WrapperNode [2021-11-12 22:55:14,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:14,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:55:14,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:55:14,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:55:14,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:15,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:15,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:55:15,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:55:15,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:55:15,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:55:15,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:15,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:15,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:15,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:16,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:16,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:16,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:16,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:55:16,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:55:16,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:55:16,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:55:16,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (1/1) ... [2021-11-12 22:55:16,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:55:16,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:55:16,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:55:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 22:55:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 22:55:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-12 22:55:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-12 22:55:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:55:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:55:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:55:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:55:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2021-11-12 22:55:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2021-11-12 22:55:16,768 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2021-11-12 22:55:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2021-11-12 22:55:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2021-11-12 22:55:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2021-11-12 22:55:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-12 22:55:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-12 22:55:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2021-11-12 22:55:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2021-11-12 22:55:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:55:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:55:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2021-11-12 22:55:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2021-11-12 22:55:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-12 22:55:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-12 22:55:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-12 22:55:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2021-11-12 22:55:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2021-11-12 22:55:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2021-11-12 22:55:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2021-11-12 22:55:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2021-11-12 22:55:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2021-11-12 22:55:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2021-11-12 22:55:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2021-11-12 22:55:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:55:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:55:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 22:55:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2021-11-12 22:55:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2021-11-12 22:55:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2021-11-12 22:55:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2021-11-12 22:55:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:55:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:55:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-12 22:55:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-12 22:55:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:55:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:55:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2021-11-12 22:55:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2021-11-12 22:55:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:55:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:55:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:55:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:55:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-12 22:55:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-12 22:55:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:55:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:55:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:55:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:55:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:55:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-12 22:55:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-12 22:55:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2021-11-12 22:55:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2021-11-12 22:55:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2021-11-12 22:55:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2021-11-12 22:55:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 22:55:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 22:55:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-12 22:55:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-12 22:55:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2021-11-12 22:55:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2021-11-12 22:55:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 22:55:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 22:55:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2021-11-12 22:55:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2021-11-12 22:55:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2021-11-12 22:55:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2021-11-12 22:55:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 22:55:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 22:55:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-12 22:55:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-12 22:55:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2021-11-12 22:55:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2021-11-12 22:55:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:55:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:55:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2021-11-12 22:55:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2021-11-12 22:55:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2021-11-12 22:55:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2021-11-12 22:55:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-12 22:55:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-12 22:55:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-12 22:55:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-12 22:55:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:55:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:55:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:55:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:55:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-12 22:55:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-12 22:55:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:55:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:55:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2021-11-12 22:55:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2021-11-12 22:55:16,789 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-12 22:55:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-12 22:55:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2021-11-12 22:55:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2021-11-12 22:55:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-12 22:55:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 22:55:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 22:55:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-12 22:55:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-12 22:55:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:55:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:55:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:55:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-12 22:55:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-12 22:55:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:55:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:55:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:55:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:55:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2021-11-12 22:55:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2021-11-12 22:55:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2021-11-12 22:55:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2021-11-12 22:55:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:55:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:55:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:55:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:55:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:55:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:55:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2021-11-12 22:55:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2021-11-12 22:55:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:55:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2021-11-12 22:55:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2021-11-12 22:55:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-12 22:55:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-12 22:55:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2021-11-12 22:55:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2021-11-12 22:55:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2021-11-12 22:55:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2021-11-12 22:55:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2021-11-12 22:55:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2021-11-12 22:55:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:55:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:55:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2021-11-12 22:55:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2021-11-12 22:55:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-12 22:55:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-12 22:55:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2021-11-12 22:55:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2021-11-12 22:55:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:55:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:55:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:55:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:55:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-12 22:55:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-12 22:55:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:55:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:55:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-11-12 22:55:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-11-12 22:55:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2021-11-12 22:55:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2021-11-12 22:55:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-12 22:55:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-12 22:55:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:55:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:55:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2021-11-12 22:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2021-11-12 22:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-12 22:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-12 22:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-12 22:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-12 22:55:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-12 22:55:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-12 22:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-12 22:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-12 22:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2021-11-12 22:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2021-11-12 22:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-12 22:55:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-12 22:55:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 22:55:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 22:55:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2021-11-12 22:55:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2021-11-12 22:55:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2021-11-12 22:55:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2021-11-12 22:55:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2021-11-12 22:55:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2021-11-12 22:55:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:55:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:55:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2021-11-12 22:55:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2021-11-12 22:55:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-11-12 22:55:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-11-12 22:55:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-12 22:55:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-12 22:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2021-11-12 22:55:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2021-11-12 22:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2021-11-12 22:55:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2021-11-12 22:55:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-12 22:55:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-12 22:55:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 22:55:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 22:55:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-12 22:55:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-12 22:55:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2021-11-12 22:55:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2021-11-12 22:55:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-12 22:55:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-12 22:55:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2021-11-12 22:55:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2021-11-12 22:55:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2021-11-12 22:55:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2021-11-12 22:55:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:55:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:55:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:55:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-11-12 22:55:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-11-12 22:55:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:55:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-12 22:55:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2021-11-12 22:55:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2021-11-12 22:55:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2021-11-12 22:55:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2021-11-12 22:55:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2021-11-12 22:55:16,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-12 22:55:16,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-12 22:55:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2021-11-12 22:55:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2021-11-12 22:55:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:55:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:55:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:55:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:55:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:55:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 22:55:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 22:55:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-12 22:55:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-12 22:55:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 22:55:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 22:55:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2021-11-12 22:55:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2021-11-12 22:55:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 22:55:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 22:55:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2021-11-12 22:55:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2021-11-12 22:55:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-12 22:55:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-12 22:55:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-12 22:55:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2021-11-12 22:55:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:55:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:55:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2021-11-12 22:55:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2021-11-12 22:55:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-12 22:55:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-12 22:55:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:55:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:55:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 22:55:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 22:55:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uvc_clock [2021-11-12 22:55:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uvc_clock [2021-11-12 22:55:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2021-11-12 22:55:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2021-11-12 22:55:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-11-12 22:55:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-11-12 22:55:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2021-11-12 22:55:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2021-11-12 22:55:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2021-11-12 22:55:16,831 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2021-11-12 22:55:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-12 22:55:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-12 22:55:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:55:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:55:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2021-11-12 22:55:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2021-11-12 22:55:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2021-11-12 22:55:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:55:16,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:55:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:55:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:55:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-12 22:55:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-12 22:55:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2021-11-12 22:55:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2021-11-12 22:55:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 22:55:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 22:55:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2021-11-12 22:55:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2021-11-12 22:55:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 22:55:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 22:55:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2021-11-12 22:55:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2021-11-12 22:55:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2021-11-12 22:55:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2021-11-12 22:55:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-12 22:55:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-12 22:55:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2021-11-12 22:55:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2021-11-12 22:55:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2021-11-12 22:55:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2021-11-12 22:55:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-12 22:55:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-12 22:55:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-12 22:55:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-12 22:55:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-12 22:55:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-12 22:55:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-11-12 22:55:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-11-12 22:55:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 22:55:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 22:55:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49___0 [2021-11-12 22:55:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49___0 [2021-11-12 22:55:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2021-11-12 22:55:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2021-11-12 22:55:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2021-11-12 22:55:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2021-11-12 22:55:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:55:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:55:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2021-11-12 22:55:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2021-11-12 22:55:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-11-12 22:55:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-11-12 22:55:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2021-11-12 22:55:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2021-11-12 22:55:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2021-11-12 22:55:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2021-11-12 22:55:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2021-11-12 22:55:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2021-11-12 22:55:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2021-11-12 22:55:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2021-11-12 22:55:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2021-11-12 22:55:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2021-11-12 22:55:16,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-11-12 22:55:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-11-12 22:55:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2021-11-12 22:55:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2021-11-12 22:55:16,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:55:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:55:18,467 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:55:20,797 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11812: SUMMARY for call __copy_to_user_nocheck_#t~ret1208#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 [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~14#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~14#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume 10bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume !(10bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume 16bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume !(16bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume 4bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume !(4bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume 8bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume !(8bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11833: __copy_to_user_nocheck_~tmp___0~24#1 := __copy_to_user_nocheck_#t~ret1206#1;havoc __copy_to_user_nocheck_#t~ret1206#1; [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume 2bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume !(2bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11805: SUMMARY for call __copy_to_user_nocheck_#t~ret1206#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11809: SUMMARY for call __copy_to_user_nocheck_#t~ret1207#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~18#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11797: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,799 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11859: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1208#1;havoc __copy_to_user_nocheck_#t~ret1208#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~tmp___2~11#1[32:0]; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11801: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11789: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11793: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_to_user_nocheck_~size#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_to_user_nocheck_~size#1); [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11847: __copy_to_user_nocheck_~tmp___1~14#1 := __copy_to_user_nocheck_#t~ret1207#1;havoc __copy_to_user_nocheck_#t~ret1207#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~24#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:20,800 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~24#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2021-11-12 22:55:56,871 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11700: SUMMARY for call __copy_from_user_nocheck_#t~ret1202#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 22:55:56,871 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11692: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,871 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11696: SUMMARY for call __copy_from_user_nocheck_#t~ret1201#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~17#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-12 22:55:56,871 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11729: __copy_from_user_nocheck_~tmp___0~23#1 := __copy_from_user_nocheck_#t~ret1201#1;havoc __copy_from_user_nocheck_#t~ret1201#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11684: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~13#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~13#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11688: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11680: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~23#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~23#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11756: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1203#1;havoc __copy_from_user_nocheck_#t~ret1203#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~tmp___2~10#1[32:0]; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 22:55:56,872 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: __copy_from_user_nocheck_~tmp___1~13#1 := __copy_from_user_nocheck_#t~ret1202#1;havoc __copy_from_user_nocheck_#t~ret1202#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume 16bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume !(16bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11703: SUMMARY for call __copy_from_user_nocheck_#t~ret1203#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 [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume 8bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume !(8bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume 10bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume !(10bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume 2bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume !(2bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume 4bv32 == __copy_from_user_nocheck_~size#1; [2021-11-12 22:55:56,873 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume !(4bv32 == __copy_from_user_nocheck_~size#1); [2021-11-12 23:04:10,837 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:04:10,947 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:04:10,947 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 23:04:10,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:10 BoogieIcfgContainer [2021-11-12 23:04:10,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:04:10,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:04:10,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:04:10,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:04:10,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:55:06" (1/3) ... [2021-11-12 23:04:10,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7596ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:10, skipping insertion in model container [2021-11-12 23:04:10,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:14" (2/3) ... [2021-11-12 23:04:10,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7596ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:04:10, skipping insertion in model container [2021-11-12 23:04:10,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:04:10" (3/3) ... [2021-11-12 23:04:10,963 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-12 23:04:10,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:04:10,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:04:11,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:04:11,066 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:04:11,066 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:04:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 3258 states, 2427 states have (on average 1.3658838071693449) internal successors, (3315), 2447 states have internal predecessors, (3315), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) [2021-11-12 23:04:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-12 23:04:11,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:04:11,193 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] [2021-11-12 23:04:11,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:04:11,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:04:11,199 INFO L85 PathProgramCache]: Analyzing trace with hash -830094990, now seen corresponding path program 1 times [2021-11-12 23:04:11,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:04:11,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506213503] [2021-11-12 23:04:11,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:04:11,238 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:04:11,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:04:11,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:04:11,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:04:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:04:34,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 7794 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:04:34,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:04:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-12 23:04:36,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:04:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-12 23:04:37,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:04:37,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506213503] [2021-11-12 23:04:37,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506213503] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:04:37,972 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:04:37,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:04:37,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846172113] [2021-11-12 23:04:37,976 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:04:37,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:04:37,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:04:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:04:38,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:04:38,031 INFO L87 Difference]: Start difference. First operand has 3258 states, 2427 states have (on average 1.3658838071693449) internal successors, (3315), 2447 states have internal predecessors, (3315), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:04:39,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:04:41,600 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 [] [2021-11-12 23:05:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:05:08,367 INFO L93 Difference]: Finished difference Result 12586 states and 18110 transitions. [2021-11-12 23:05:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:05:08,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 374 [2021-11-12 23:05:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:05:08,473 INFO L225 Difference]: With dead ends: 12586 [2021-11-12 23:05:08,473 INFO L226 Difference]: Without dead ends: 9366 [2021-11-12 23:05:08,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:05:08,501 INFO L933 BasicCegarLoop]: 5841 mSDtfsCounter, 12053 mSDsluCounter, 7612 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 1232 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28089.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12053 SdHoareTripleChecker+Valid, 13453 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 96.17ms SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29566.58ms IncrementalHoareTripleChecker+Time [2021-11-12 23:05:08,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12053 Valid, 13453 Invalid, 2611 Unknown, 0 Unchecked, 96.17ms Time], IncrementalHoareTripleChecker [1232 Valid, 1378 Invalid, 1 Unknown, 0 Unchecked, 29566.58ms Time] [2021-11-12 23:05:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9366 states. [2021-11-12 23:05:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9366 to 9318. [2021-11-12 23:05:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9318 states, 7007 states have (on average 1.3617810760667903) internal successors, (9542), 7071 states have internal predecessors, (9542), 1849 states have call successors, (1849), 460 states have call predecessors, (1849), 459 states have return successors, (1845), 1819 states have call predecessors, (1845), 1845 states have call successors, (1845) [2021-11-12 23:05:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9318 states to 9318 states and 13236 transitions. [2021-11-12 23:05:09,224 INFO L78 Accepts]: Start accepts. Automaton has 9318 states and 13236 transitions. Word has length 374 [2021-11-12 23:05:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:05:09,232 INFO L470 AbstractCegarLoop]: Abstraction has 9318 states and 13236 transitions. [2021-11-12 23:05:09,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:05:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 9318 states and 13236 transitions. [2021-11-12 23:05:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-11-12 23:05:09,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:05:09,248 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:05:09,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:05:09,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:05:09,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:05:09,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:05:09,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1285591322, now seen corresponding path program 1 times [2021-11-12 23:05:09,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:05:09,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739556002] [2021-11-12 23:05:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:05:09,490 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:05:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:05:09,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:05:09,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:05:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:05:32,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 7732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:05:32,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:05:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-12 23:05:34,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:05:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-12 23:05:35,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:05:35,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739556002] [2021-11-12 23:05:35,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739556002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:05:35,701 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:05:35,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:05:35,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039829455] [2021-11-12 23:05:35,702 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:05:35,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:05:35,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:05:35,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:05:35,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:05:35,705 INFO L87 Difference]: Start difference. First operand 9318 states and 13236 transitions. 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:05:37,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:05:39,177 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 [] [2021-11-12 23:06:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:06:06,553 INFO L93 Difference]: Finished difference Result 30551 states and 43382 transitions. [2021-11-12 23:06:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:06:06,554 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 379 [2021-11-12 23:06:06,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:06:06,722 INFO L225 Difference]: With dead ends: 30551 [2021-11-12 23:06:06,723 INFO L226 Difference]: Without dead ends: 21300 [2021-11-12 23:06:06,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:06:06,771 INFO L933 BasicCegarLoop]: 5724 mSDtfsCounter, 11745 mSDsluCounter, 7493 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 1190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28639.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11745 SdHoareTripleChecker+Valid, 13217 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.35ms SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30055.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:06:06,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11745 Valid, 13217 Invalid, 2583 Unknown, 0 Unchecked, 54.35ms Time], IncrementalHoareTripleChecker [1190 Valid, 1392 Invalid, 1 Unknown, 0 Unchecked, 30055.77ms Time] [2021-11-12 23:06:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21300 states. [2021-11-12 23:06:07,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21300 to 21277. [2021-11-12 23:06:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21277 states, 16057 states have (on average 1.3655103693093356) internal successors, (21926), 16185 states have internal predecessors, (21926), 4138 states have call successors, (4138), 1080 states have call predecessors, (4138), 1079 states have return successors, (4134), 4087 states have call predecessors, (4134), 4134 states have call successors, (4134) [2021-11-12 23:06:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21277 states to 21277 states and 30198 transitions. [2021-11-12 23:06:07,830 INFO L78 Accepts]: Start accepts. Automaton has 21277 states and 30198 transitions. Word has length 379 [2021-11-12 23:06:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:06:07,833 INFO L470 AbstractCegarLoop]: Abstraction has 21277 states and 30198 transitions. [2021-11-12 23:06:07,834 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, (38), 3 states have call predecessors, (38), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:06:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21277 states and 30198 transitions. [2021-11-12 23:06:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-11-12 23:06:07,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:07,847 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:06:08,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:06:08,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:06:08,063 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:06:08,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:08,063 INFO L85 PathProgramCache]: Analyzing trace with hash 516800754, now seen corresponding path program 1 times [2021-11-12 23:06:08,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:08,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131084398] [2021-11-12 23:06:08,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:08,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:08,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:08,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:08,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:06:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:06:31,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 7827 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:06:31,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:06:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-12 23:06:33,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:06:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-12 23:06:34,562 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:06:34,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131084398] [2021-11-12 23:06:34,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131084398] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:06:34,562 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:06:34,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:06:34,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371688653] [2021-11-12 23:06:34,563 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:06:34,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:06:34,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:06:34,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:06:34,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:06:34,565 INFO L87 Difference]: Start difference. First operand 21277 states and 30198 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:06:35,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:06:38,008 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 [] [2021-11-12 23:07:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:02,983 INFO L93 Difference]: Finished difference Result 64675 states and 90517 transitions. [2021-11-12 23:07:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:02,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 384 [2021-11-12 23:07:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:03,201 INFO L225 Difference]: With dead ends: 64675 [2021-11-12 23:07:03,202 INFO L226 Difference]: Without dead ends: 43465 [2021-11-12 23:07:03,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:07:03,305 INFO L933 BasicCegarLoop]: 5768 mSDtfsCounter, 8291 mSDsluCounter, 5699 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 747 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26187.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8291 SdHoareTripleChecker+Valid, 11467 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.32ms SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27348.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:03,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8291 Valid, 11467 Invalid, 2124 Unknown, 0 Unchecked, 37.32ms Time], IncrementalHoareTripleChecker [747 Valid, 1376 Invalid, 1 Unknown, 0 Unchecked, 27348.49ms Time] [2021-11-12 23:07:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43465 states. [2021-11-12 23:07:05,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43465 to 43393. [2021-11-12 23:07:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43393 states, 32072 states have (on average 1.3340296832127712) internal successors, (42785), 32312 states have internal predecessors, (42785), 8735 states have call successors, (8735), 2584 states have call predecessors, (8735), 2583 states have return successors, (8731), 8626 states have call predecessors, (8731), 8731 states have call successors, (8731) [2021-11-12 23:07:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43393 states to 43393 states and 60251 transitions. [2021-11-12 23:07:05,816 INFO L78 Accepts]: Start accepts. Automaton has 43393 states and 60251 transitions. Word has length 384 [2021-11-12 23:07:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:05,820 INFO L470 AbstractCegarLoop]: Abstraction has 43393 states and 60251 transitions. [2021-11-12 23:07:05,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-12 23:07:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 43393 states and 60251 transitions. [2021-11-12 23:07:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-12 23:07:05,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:05,836 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:07:06,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 23:07:06,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:06,037 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:07:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash 142585385, now seen corresponding path program 1 times [2021-11-12 23:07:06,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:06,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758798413] [2021-11-12 23:07:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:06,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:06,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:06,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:06,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:07:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:29,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 7866 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:07:29,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4185 trivial. 0 not checked. [2021-11-12 23:07:31,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2021-11-12 23:07:32,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:32,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758798413] [2021-11-12 23:07:32,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758798413] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:32,471 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:32,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:07:32,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839174917] [2021-11-12 23:07:32,471 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:32,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:07:32,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:07:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:07:32,473 INFO L87 Difference]: Start difference. First operand 43393 states and 60251 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-11-12 23:07:33,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:07:35,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:08:01,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:01,652 INFO L93 Difference]: Finished difference Result 144357 states and 200529 transitions. [2021-11-12 23:08:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:01,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 407 [2021-11-12 23:08:01,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:02,202 INFO L225 Difference]: With dead ends: 144357 [2021-11-12 23:08:02,203 INFO L226 Difference]: Without dead ends: 101031 [2021-11-12 23:08:02,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:08:02,326 INFO L933 BasicCegarLoop]: 5669 mSDtfsCounter, 11463 mSDsluCounter, 7231 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 1140 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25316.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11463 SdHoareTripleChecker+Valid, 12900 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.31ms SdHoareTripleChecker+Time, 1140 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26550.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:02,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11463 Valid, 12900 Invalid, 2541 Unknown, 0 Unchecked, 34.31ms Time], IncrementalHoareTripleChecker [1140 Valid, 1400 Invalid, 1 Unknown, 0 Unchecked, 26550.94ms Time] [2021-11-12 23:08:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101031 states. [2021-11-12 23:08:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101031 to 100951. [2021-11-12 23:08:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100951 states, 75026 states have (on average 1.3408418414949483) internal successors, (100598), 75689 states have internal predecessors, (100598), 19732 states have call successors, (19732), 6191 states have call predecessors, (19732), 6190 states have return successors, (19728), 19389 states have call predecessors, (19728), 19728 states have call successors, (19728) [2021-11-12 23:08:07,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100951 states to 100951 states and 140058 transitions. [2021-11-12 23:08:07,688 INFO L78 Accepts]: Start accepts. Automaton has 100951 states and 140058 transitions. Word has length 407 [2021-11-12 23:08:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:07,703 INFO L470 AbstractCegarLoop]: Abstraction has 100951 states and 140058 transitions. [2021-11-12 23:08:07,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-11-12 23:08:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 100951 states and 140058 transitions. [2021-11-12 23:08:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-11-12 23:08:07,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:07,712 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:08:07,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:07,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:07,927 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:08:07,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:07,928 INFO L85 PathProgramCache]: Analyzing trace with hash -876925714, now seen corresponding path program 1 times [2021-11-12 23:08:07,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:07,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527744921] [2021-11-12 23:08:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:07,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:07,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:07,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:07,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134934c-452b-4570-8bf0-bf35863d6250/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process