./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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 bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:24:09,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:24:09,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:24:09,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:24:09,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:24:09,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:24:09,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:24:09,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:24:09,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:24:09,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:24:09,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:24:09,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:24:09,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:24:09,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:24:09,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:24:09,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:24:09,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:24:09,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:24:09,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:24:09,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:24:09,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:24:09,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:24:09,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:24:09,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:24:09,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:24:09,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:24:09,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:24:09,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:24:09,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:24:09,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:24:09,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:24:09,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:24:09,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:24:09,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:24:09,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:24:09,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:24:09,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:24:09,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:24:09,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:24:09,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:24:09,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:24:09,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:24:09,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:24:09,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:24:09,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:24:09,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:24:09,521 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:24:09,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:24:09,522 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:24:09,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:24:09,522 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:24:09,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:24:09,523 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:24:09,523 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:24:09,523 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:24:09,523 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:24:09,523 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:24:09,524 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:24:09,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:24:09,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:24:09,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:24:09,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:24:09,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:24:09,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:24:09,526 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:24:09,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:24:09,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:24:09,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:24:09,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:24:09,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:24:09,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:09,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:24:09,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:24:09,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:24:09,528 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:24:09,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:24:09,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:24:09,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:24:09,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:24:09,529 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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2021-11-12 23:24:09,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:24:09,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:24:09,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:24:09,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:24:09,825 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:24:09,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 23:24:09,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/0aa6c9e5a/04995d89e00941b894b1d91acf7784b3/FLAGd1231cc74 [2021-11-12 23:24:11,076 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:24:11,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 23:24:11,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/0aa6c9e5a/04995d89e00941b894b1d91acf7784b3/FLAGd1231cc74 [2021-11-12 23:24:11,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/0aa6c9e5a/04995d89e00941b894b1d91acf7784b3 [2021-11-12 23:24:11,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:24:11,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:24:11,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:11,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:24:11,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:24:11,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:11" (1/1) ... [2021-11-12 23:24:11,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28787e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:11, skipping insertion in model container [2021-11-12 23:24:11,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:11" (1/1) ... [2021-11-12 23:24:11,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:24:11,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:24:13,612 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 23:24:13,621 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 23:24:13,643 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 23:24:13,685 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 23:24:13,705 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 23:24:13,712 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 23:24:13,755 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 23:24:13,766 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 23:24:13,779 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 23:24:13,810 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 23:24:13,833 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 23:24:13,854 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 23:24:13,864 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 23:24:13,880 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 23:24:13,896 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 23:24:13,937 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 23:24:13,950 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 23:24:13,958 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 23:24:13,963 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 23:24:13,973 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 23:24:14,022 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:24:14,032 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 23:24:14,043 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 23:24:14,054 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 23:24:14,061 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 23:24:14,077 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 23:24:14,084 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 23:24:14,091 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 23:24:14,098 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 23:24:14,108 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:24:14,138 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 23:24:14,167 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 23:24:14,193 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 23:24:14,201 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 23:24:14,210 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 23:24:14,990 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 23:24:14,990 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 23:24:14,995 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 23:24:14,995 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 23:24:14,997 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 23:24:14,997 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 23:24:15,048 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 23:24:15,048 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 23:24:15,049 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 23:24:15,049 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 23:24:15,049 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 23:24:15,049 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 23:24:15,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:24:15,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:24:15,050 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:24:15,051 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 23:24:15,051 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 23:24:15,051 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 23:24:15,052 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 23:24:15,052 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 23:24:15,053 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 23:24:15,055 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 23:24:15,055 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 23:24:15,063 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 23:24:15,063 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 23:24:15,063 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 23:24:15,064 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 23:24:15,064 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 23:24:15,064 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 23:24:15,065 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 23:24:15,065 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 23:24:15,066 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 23:24:15,066 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 23:24:15,066 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 23:24:15,067 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 23:24:15,067 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 23:24:15,067 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 23:24:15,068 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 23:24:15,069 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 23:24:15,070 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 23:24:15,103 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 23:24:15,132 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 23:24:15,140 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 23:24:15,172 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 23:24:15,184 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 23:24:15,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2021-11-12 23:24:15,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2021-11-12 23:24:15,962 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2021-11-12 23:24:15,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2021-11-12 23:24:15,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:16,084 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 23:24:16,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e8af0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:16, skipping insertion in model container [2021-11-12 23:24:16,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:16,085 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:24:16,087 INFO L158 Benchmark]: Toolchain (without parser) took 4843.83ms. Allocated memory was 90.2MB in the beginning and 203.4MB in the end (delta: 113.2MB). Free memory was 51.6MB in the beginning and 90.6MB in the end (delta: -39.1MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2021-11-12 23:24:16,088 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:24:16,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4841.46ms. Allocated memory was 90.2MB in the beginning and 203.4MB in the end (delta: 113.2MB). Free memory was 51.2MB in the beginning and 90.6MB in the end (delta: -39.5MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2021-11-12 23:24:16,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4841.46ms. Allocated memory was 90.2MB in the beginning and 203.4MB in the end (delta: 113.2MB). Free memory was 51.2MB in the beginning and 90.6MB in the end (delta: -39.5MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8440]: 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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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 bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:24:18,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:24:18,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:24:18,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:24:18,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:24:18,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:24:18,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:24:18,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:24:18,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:24:18,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:24:18,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:24:18,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:24:18,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:24:18,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:24:18,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:24:18,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:24:18,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:24:18,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:24:18,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:24:18,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:24:18,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:24:18,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:24:18,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:24:18,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:24:18,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:24:18,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:24:18,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:24:18,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:24:18,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:24:18,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:24:18,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:24:18,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:24:18,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:24:18,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:24:18,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:24:18,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:24:18,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:24:18,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:24:18,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:24:18,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:24:18,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:24:18,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:24:18,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:24:18,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:24:18,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:24:18,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:24:18,452 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:24:18,452 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:24:18,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:24:18,452 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:24:18,452 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:24:18,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:24:18,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:24:18,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:24:18,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:24:18,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:24:18,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:24:18,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:24:18,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:24:18,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:24:18,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:24:18,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:24:18,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:24:18,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:24:18,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:24:18,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:24:18,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:18,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:24:18,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:24:18,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:24:18,458 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:24:18,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:24:18,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:24:18,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:24:18,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:24:18,459 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_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2021-11-12 23:24:18,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:24:18,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:24:18,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:24:18,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:24:18,917 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:24:18,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 23:24:18,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/482c60db9/4b6d336469f7458d88c1b6ff8b00a80e/FLAGe3512f37f [2021-11-12 23:24:19,956 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:24:19,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 23:24:20,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/482c60db9/4b6d336469f7458d88c1b6ff8b00a80e/FLAGe3512f37f [2021-11-12 23:24:20,330 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/data/482c60db9/4b6d336469f7458d88c1b6ff8b00a80e [2021-11-12 23:24:20,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:24:20,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:24:20,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:20,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:24:20,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:24:20,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:20" (1/1) ... [2021-11-12 23:24:20,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bd7ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:20, skipping insertion in model container [2021-11-12 23:24:20,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:24:20" (1/1) ... [2021-11-12 23:24:20,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:24:20,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:24:25,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2021-11-12 23:24:25,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2021-11-12 23:24:25,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2021-11-12 23:24:25,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2021-11-12 23:24:25,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:25,632 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:24:25,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:24:26,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2021-11-12 23:24:26,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2021-11-12 23:24:26,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2021-11-12 23:24:26,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2021-11-12 23:24:26,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:26,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:24:27,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2021-11-12 23:24:27,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2021-11-12 23:24:27,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2021-11-12 23:24:27,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2021-11-12 23:24:27,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:24:27,520 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:24:27,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27 WrapperNode [2021-11-12 23:24:27,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:24:27,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:27,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:24:27,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:24:27,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:27,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:27,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:24:27,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:24:27,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:24:27,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:24:27,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:27,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:24:28,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:24:28,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:24:28,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:24:28,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (1/1) ... [2021-11-12 23:24:28,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:24:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:24:28,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:24:28,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:24:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-11-12 23:24:28,658 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-11-12 23:24:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:24:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:24:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-11-12 23:24:28,659 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-11-12 23:24:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2021-11-12 23:24:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2021-11-12 23:24:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-11-12 23:24:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-11-12 23:24:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:24:28,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:24:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-11-12 23:24:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-11-12 23:24:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-11-12 23:24:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-11-12 23:24:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-11-12 23:24:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-11-12 23:24:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 23:24:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 23:24:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2021-11-12 23:24:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2021-11-12 23:24:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2021-11-12 23:24:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2021-11-12 23:24:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2021-11-12 23:24:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2021-11-12 23:24:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-12 23:24:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2021-11-12 23:24:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:24:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:24:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2021-11-12 23:24:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2021-11-12 23:24:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-11-12 23:24:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-11-12 23:24:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-12 23:24:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2021-11-12 23:24:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:24:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:24:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-11-12 23:24:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-11-12 23:24:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2021-11-12 23:24:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2021-11-12 23:24:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-11-12 23:24:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-11-12 23:24:28,669 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2021-11-12 23:24:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2021-11-12 23:24:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-11-12 23:24:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-11-12 23:24:28,670 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2021-11-12 23:24:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2021-11-12 23:24:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2021-11-12 23:24:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2021-11-12 23:24:28,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:24:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:24:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:24:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:24:28,672 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:24:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:24:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-12 23:24:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-12 23:24:28,673 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-12 23:24:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-12 23:24:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:24:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:24:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-11-12 23:24:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-11-12 23:24:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2021-11-12 23:24:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2021-11-12 23:24:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-11-12 23:24:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-11-12 23:24:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-11-12 23:24:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-11-12 23:24:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-12 23:24:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-12 23:24:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-11-12 23:24:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-11-12 23:24:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:24:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2021-11-12 23:24:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2021-11-12 23:24:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:24:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:24:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2021-11-12 23:24:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2021-11-12 23:24:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:24:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:24:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:24:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:24:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2021-11-12 23:24:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-12 23:24:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-12 23:24:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-11-12 23:24:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-11-12 23:24:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:24:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:24:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2021-11-12 23:24:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2021-11-12 23:24:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2021-11-12 23:24:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2021-11-12 23:24:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:24:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:24:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-12 23:24:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-12 23:24:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2021-11-12 23:24:28,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2021-11-12 23:24:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:24:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:24:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2021-11-12 23:24:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2021-11-12 23:24:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:24:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:24:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2021-11-12 23:24:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2021-11-12 23:24:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-11-12 23:24:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-11-12 23:24:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:24:28,697 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:24:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2021-11-12 23:24:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2021-11-12 23:24:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:24:28,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:24:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-11-12 23:24:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-11-12 23:24:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-12 23:24:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-11-12 23:24:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:24:28,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:24:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-11-12 23:24:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-11-12 23:24:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:24:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:24:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:24:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:24:28,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:24:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:24:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:24:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:24:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-11-12 23:24:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-11-12 23:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:24:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:24:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2021-11-12 23:24:28,702 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2021-11-12 23:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:24:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2021-11-12 23:24:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2021-11-12 23:24:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-11-12 23:24:28,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-11-12 23:24:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2021-11-12 23:24:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2021-11-12 23:24:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:24:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:24:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-11-12 23:24:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-11-12 23:24:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:24:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:24:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-11-12 23:24:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-11-12 23:24:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2021-11-12 23:24:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2021-11-12 23:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2021-11-12 23:24:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2021-11-12 23:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-11-12 23:24:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-11-12 23:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2021-11-12 23:24:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2021-11-12 23:24:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2021-11-12 23:24:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2021-11-12 23:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-12 23:24:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-12 23:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2021-11-12 23:24:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2021-11-12 23:24:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 23:24:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 23:24:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:24:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:24:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-12 23:24:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-11-12 23:24:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:24:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:24:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2021-11-12 23:24:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2021-11-12 23:24:28,710 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:24:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 23:24:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 23:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:24:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:24:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:24:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2021-11-12 23:24:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2021-11-12 23:24:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:24:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:24:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-11-12 23:24:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-11-12 23:24:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2021-11-12 23:24:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2021-11-12 23:24:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2021-11-12 23:24:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2021-11-12 23:24:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-12 23:24:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-12 23:24:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:24:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:24:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-11-12 23:24:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-11-12 23:24:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:24:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:24:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2021-11-12 23:24:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2021-11-12 23:24:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2021-11-12 23:24:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2021-11-12 23:24:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2021-11-12 23:24:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2021-11-12 23:24:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-12 23:24:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2021-11-12 23:24:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2021-11-12 23:24:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2021-11-12 23:24:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-12 23:24:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-12 23:24:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-12 23:24:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-12 23:24:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:24:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:24:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:24:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:24:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2021-11-12 23:24:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2021-11-12 23:24:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2021-11-12 23:24:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2021-11-12 23:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-11-12 23:24:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-11-12 23:24:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2021-11-12 23:24:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2021-11-12 23:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:24:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:24:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-12 23:24:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-12 23:24:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:24:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:24:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2021-11-12 23:24:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2021-11-12 23:24:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:24:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:24:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:24:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:24:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 23:24:28,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 23:24:28,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:24:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:24:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-11-12 23:24:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-11-12 23:24:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:24:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:24:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-12 23:24:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-12 23:24:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-11-12 23:24:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-11-12 23:24:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2021-11-12 23:24:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2021-11-12 23:24:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:24:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:24:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:24:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:24:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:24:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:24:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:24:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:24:28,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:24:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2021-11-12 23:24:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2021-11-12 23:24:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-11-12 23:24:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-11-12 23:24:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:24:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:24:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2021-11-12 23:24:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2021-11-12 23:24:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:24:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:24:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:24:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:24:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2021-11-12 23:24:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2021-11-12 23:24:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2021-11-12 23:24:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2021-11-12 23:24:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-11-12 23:24:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-11-12 23:24:28,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:24:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:24:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 23:24:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 23:24:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:24:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:24:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-11-12 23:24:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-11-12 23:24:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-12 23:24:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-12 23:24:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-11-12 23:24:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-11-12 23:24:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2021-11-12 23:24:28,734 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2021-11-12 23:24:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:24:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:24:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2021-11-12 23:24:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2021-11-12 23:24:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-12 23:24:28,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2021-11-12 23:24:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:24:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:24:31,302 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:26:14,592 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:26:14,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:26:14,742 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:26:14,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:26:14 BoogieIcfgContainer [2021-11-12 23:26:14,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:26:14,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:26:14,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:26:14,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:26:14,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:24:20" (1/3) ... [2021-11-12 23:26:14,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71525797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:26:14, skipping insertion in model container [2021-11-12 23:26:14,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:24:27" (2/3) ... [2021-11-12 23:26:14,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71525797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:26:14, skipping insertion in model container [2021-11-12 23:26:14,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:26:14" (3/3) ... [2021-11-12 23:26:14,757 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2021-11-12 23:26:14,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:26:14,762 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:26:14,830 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:26:14,835 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 23:26:14,835 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:26:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 2872 states, 1959 states have (on average 1.263910158244002) internal successors, (2476), 1975 states have internal predecessors, (2476), 764 states have call successors, (764), 147 states have call predecessors, (764), 146 states have return successors, (757), 756 states have call predecessors, (757), 757 states have call successors, (757) [2021-11-12 23:26:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2021-11-12 23:26:14,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:14,954 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:26:14,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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 23:26:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:14,960 INFO L85 PathProgramCache]: Analyzing trace with hash -977620062, now seen corresponding path program 1 times [2021-11-12 23:26:14,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:14,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313262938] [2021-11-12 23:26:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:14,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:14,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:15,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:26:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:26,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 6527 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:26:26,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-12 23:26:28,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-12 23:26:29,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:29,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313262938] [2021-11-12 23:26:29,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313262938] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:29,405 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:29,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:26:29,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261475985] [2021-11-12 23:26:29,408 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:29,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:26:29,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:29,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:26:29,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:26:29,459 INFO L87 Difference]: Start difference. First operand has 2872 states, 1959 states have (on average 1.263910158244002) internal successors, (2476), 1975 states have internal predecessors, (2476), 764 states have call successors, (764), 147 states have call predecessors, (764), 146 states have return successors, (757), 756 states have call predecessors, (757), 757 states have call successors, (757) Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-12 23:26:31,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:33,125 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 23:26:46,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:46,158 INFO L93 Difference]: Finished difference Result 10973 states and 15541 transitions. [2021-11-12 23:26:46,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:26:46,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 571 [2021-11-12 23:26:46,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:46,256 INFO L225 Difference]: With dead ends: 10973 [2021-11-12 23:26:46,257 INFO L226 Difference]: Without dead ends: 8173 [2021-11-12 23:26:46,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1140 GetRequests, 1138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:26:46,286 INFO L933 BasicCegarLoop]: 5359 mSDtfsCounter, 9915 mSDsluCounter, 6107 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 1388 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14483.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9915 SdHoareTripleChecker+Valid, 11466 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 76.40ms SdHoareTripleChecker+Time, 1388 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15997.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:46,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9915 Valid, 11466 Invalid, 2962 Unknown, 0 Unchecked, 76.40ms Time], IncrementalHoareTripleChecker [1388 Valid, 1573 Invalid, 1 Unknown, 0 Unchecked, 15997.97ms Time] [2021-11-12 23:26:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8173 states. [2021-11-12 23:26:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8173 to 8147. [2021-11-12 23:26:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8147 states, 5612 states have (on average 1.2624732715609408) internal successors, (7085), 5656 states have internal predecessors, (7085), 2101 states have call successors, (2101), 432 states have call predecessors, (2101), 431 states have return successors, (2097), 2094 states have call predecessors, (2097), 2097 states have call successors, (2097) [2021-11-12 23:26:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8147 states to 8147 states and 11283 transitions. [2021-11-12 23:26:46,921 INFO L78 Accepts]: Start accepts. Automaton has 8147 states and 11283 transitions. Word has length 571 [2021-11-12 23:26:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:46,924 INFO L470 AbstractCegarLoop]: Abstraction has 8147 states and 11283 transitions. [2021-11-12 23:26:46,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-12 23:26:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8147 states and 11283 transitions. [2021-11-12 23:26:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-11-12 23:26:46,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:46,949 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:26:47,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:47,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:47,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 23:26:47,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:47,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2094402588, now seen corresponding path program 1 times [2021-11-12 23:26:47,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:47,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010182705] [2021-11-12 23:26:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:47,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:47,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:26:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:59,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 6608 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:26:59,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2021-11-12 23:27:00,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10731 trivial. 0 not checked. [2021-11-12 23:27:01,691 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:01,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010182705] [2021-11-12 23:27:01,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010182705] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:01,691 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:01,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:27:01,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117621939] [2021-11-12 23:27:01,692 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:01,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:27:01,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:01,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:27:01,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:27:01,696 INFO L87 Difference]: Start difference. First operand 8147 states and 11283 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2021-11-12 23:27:03,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:05,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:17,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:17,769 INFO L93 Difference]: Finished difference Result 26026 states and 36002 transitions. [2021-11-12 23:27:17,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:27:17,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 585 [2021-11-12 23:27:17,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:17,920 INFO L225 Difference]: With dead ends: 26026 [2021-11-12 23:27:17,920 INFO L226 Difference]: Without dead ends: 17982 [2021-11-12 23:27:17,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1168 GetRequests, 1166 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:27:17,969 INFO L933 BasicCegarLoop]: 5418 mSDtfsCounter, 9356 mSDsluCounter, 5943 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 1270 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14110.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9356 SdHoareTripleChecker+Valid, 11361 SdHoareTripleChecker+Invalid, 2799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.24ms SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15381.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:17,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9356 Valid, 11361 Invalid, 2799 Unknown, 0 Unchecked, 45.24ms Time], IncrementalHoareTripleChecker [1270 Valid, 1528 Invalid, 1 Unknown, 0 Unchecked, 15381.90ms Time] [2021-11-12 23:27:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17982 states. [2021-11-12 23:27:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17982 to 17932. [2021-11-12 23:27:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17932 states, 12453 states have (on average 1.265799405765679) internal successors, (15763), 12547 states have internal predecessors, (15763), 4498 states have call successors, (4498), 981 states have call predecessors, (4498), 978 states have return successors, (4494), 4477 states have call predecessors, (4494), 4494 states have call successors, (4494) [2021-11-12 23:27:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17932 states to 17932 states and 24755 transitions. [2021-11-12 23:27:18,962 INFO L78 Accepts]: Start accepts. Automaton has 17932 states and 24755 transitions. Word has length 585 [2021-11-12 23:27:18,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:18,966 INFO L470 AbstractCegarLoop]: Abstraction has 17932 states and 24755 transitions. [2021-11-12 23:27:18,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2021-11-12 23:27:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17932 states and 24755 transitions. [2021-11-12 23:27:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-11-12 23:27:18,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:18,993 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:27:19,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:19,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:19,208 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 23:27:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1350302193, now seen corresponding path program 1 times [2021-11-12 23:27:19,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:19,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24865745] [2021-11-12 23:27:19,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:19,218 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:19,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:19,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:19,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:27:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 6615 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:27:31,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10737 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10590 trivial. 0 not checked. [2021-11-12 23:27:32,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10737 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10737 trivial. 0 not checked. [2021-11-12 23:27:33,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:27:33,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24865745] [2021-11-12 23:27:33,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24865745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:27:33,422 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:27:33,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:27:33,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494605663] [2021-11-12 23:27:33,426 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:33,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:27:33,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:33,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:27:33,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:27:33,430 INFO L87 Difference]: Start difference. First operand 17932 states and 24755 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-12 23:27:37,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:27:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:45,915 INFO L93 Difference]: Finished difference Result 70449 states and 97403 transitions. [2021-11-12 23:27:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:27:45,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) Word has length 595 [2021-11-12 23:27:45,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:46,234 INFO L225 Difference]: With dead ends: 70449 [2021-11-12 23:27:46,235 INFO L226 Difference]: Without dead ends: 52620 [2021-11-12 23:27:46,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1186 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:27:46,351 INFO L933 BasicCegarLoop]: 5325 mSDtfsCounter, 7527 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10521.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7527 SdHoareTripleChecker+Valid, 15189 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.54ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11283.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:46,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7527 Valid, 15189 Invalid, 1476 Unknown, 0 Unchecked, 30.54ms Time], IncrementalHoareTripleChecker [9 Valid, 1466 Invalid, 1 Unknown, 0 Unchecked, 11283.52ms Time] [2021-11-12 23:27:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52620 states. [2021-11-12 23:27:49,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52620 to 52552. [2021-11-12 23:27:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52552 states, 36647 states have (on average 1.268616803558272) internal successors, (46491), 36947 states have internal predecessors, (46491), 13002 states have call successors, (13002), 2911 states have call predecessors, (13002), 2900 states have return successors, (13202), 12915 states have call predecessors, (13202), 12998 states have call successors, (13202) [2021-11-12 23:27:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52552 states to 52552 states and 72695 transitions. [2021-11-12 23:27:49,909 INFO L78 Accepts]: Start accepts. Automaton has 52552 states and 72695 transitions. Word has length 595 [2021-11-12 23:27:49,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:49,911 INFO L470 AbstractCegarLoop]: Abstraction has 52552 states and 72695 transitions. [2021-11-12 23:27:49,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 4 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 4 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-12 23:27:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 52552 states and 72695 transitions. [2021-11-12 23:27:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-12 23:27:49,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:27:49,924 INFO L514 BasicCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:27:50,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:50,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:27:50,153 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 23:27:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:27:50,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1206493937, now seen corresponding path program 1 times [2021-11-12 23:27:50,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:27:50,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225689141] [2021-11-12 23:27:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:50,163 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:27:50,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:27:50,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:27:50,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:28:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:02,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 6633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:28:02,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10743 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10596 trivial. 0 not checked. [2021-11-12 23:28:03,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10743 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10743 trivial. 0 not checked. [2021-11-12 23:28:04,409 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:04,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225689141] [2021-11-12 23:28:04,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225689141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:04,409 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:04,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:28:04,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603064504] [2021-11-12 23:28:04,410 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:04,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:28:04,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:04,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:28:04,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:28:04,413 INFO L87 Difference]: Start difference. First operand 52552 states and 72695 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2021-11-12 23:28:08,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:28:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:19,706 INFO L93 Difference]: Finished difference Result 205221 states and 284909 transitions. [2021-11-12 23:28:19,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:28:19,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 605 [2021-11-12 23:28:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:20,785 INFO L225 Difference]: With dead ends: 205221 [2021-11-12 23:28:20,785 INFO L226 Difference]: Without dead ends: 152772 [2021-11-12 23:28:21,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1208 GetRequests, 1206 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:28:21,076 INFO L933 BasicCegarLoop]: 5490 mSDtfsCounter, 7315 mSDsluCounter, 9422 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10162.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7315 SdHoareTripleChecker+Valid, 14912 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.88ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10891.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:21,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7315 Valid, 14912 Invalid, 1378 Unknown, 0 Unchecked, 25.88ms Time], IncrementalHoareTripleChecker [14 Valid, 1363 Invalid, 1 Unknown, 0 Unchecked, 10891.88ms Time] [2021-11-12 23:28:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152772 states. [2021-11-12 23:28:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152772 to 152638. [2021-11-12 23:28:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152638 states, 106799 states have (on average 1.269028736224122) internal successors, (135531), 107551 states have internal predecessors, (135531), 37414 states have call successors, (37414), 8519 states have call predecessors, (37414), 8422 states have return successors, (39166), 36981 states have call predecessors, (39166), 37410 states have call successors, (39166) [2021-11-12 23:28:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152638 states to 152638 states and 212111 transitions. [2021-11-12 23:28:29,472 INFO L78 Accepts]: Start accepts. Automaton has 152638 states and 212111 transitions. Word has length 605 [2021-11-12 23:28:29,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:28:29,473 INFO L470 AbstractCegarLoop]: Abstraction has 152638 states and 212111 transitions. [2021-11-12 23:28:29,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2021-11-12 23:28:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 152638 states and 212111 transitions. [2021-11-12 23:28:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2021-11-12 23:28:29,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:28:29,493 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:28:29,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:28:29,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:28:29,716 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 23:28:29,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:28:29,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2115877414, now seen corresponding path program 1 times [2021-11-12 23:28:29,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:28:29,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719666567] [2021-11-12 23:28:29,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:28:29,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:28:29,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:28:29,723 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:28:29,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:28:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:28:41,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 6656 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:28:41,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:28:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-12 23:28:46,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:28:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 11228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-12 23:28:49,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:28:49,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719666567] [2021-11-12 23:28:49,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719666567] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:28:49,003 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:28:49,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:28:49,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645536481] [2021-11-12 23:28:49,004 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:28:49,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:28:49,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:28:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:28:49,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:28:49,006 INFO L87 Difference]: Start difference. First operand 152638 states and 212111 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-12 23:28:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:28:53,544 INFO L93 Difference]: Finished difference Result 152644 states and 212116 transitions. [2021-11-12 23:28:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:28:53,545 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) Word has length 631 [2021-11-12 23:28:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:28:54,371 INFO L225 Difference]: With dead ends: 152644 [2021-11-12 23:28:54,371 INFO L226 Difference]: Without dead ends: 152642 [2021-11-12 23:28:54,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1263 GetRequests, 1255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:28:54,415 INFO L933 BasicCegarLoop]: 3951 mSDtfsCounter, 3740 mSDsluCounter, 15779 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3751 SdHoareTripleChecker+Valid, 19730 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.90ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:28:54,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3751 Valid, 19730 Invalid, 37 Unknown, 0 Unchecked, 58.90ms Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 165.71ms Time] [2021-11-12 23:28:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152642 states. [2021-11-12 23:29:00,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152642 to 152642. [2021-11-12 23:29:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152642 states, 106802 states have (on average 1.2690211793786632) internal successors, (135534), 107554 states have internal predecessors, (135534), 37414 states have call successors, (37414), 8520 states have call predecessors, (37414), 8423 states have return successors, (39166), 36981 states have call predecessors, (39166), 37410 states have call successors, (39166) [2021-11-12 23:29:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152642 states to 152642 states and 212114 transitions. [2021-11-12 23:29:01,742 INFO L78 Accepts]: Start accepts. Automaton has 152642 states and 212114 transitions. Word has length 631 [2021-11-12 23:29:01,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:29:01,743 INFO L470 AbstractCegarLoop]: Abstraction has 152642 states and 212114 transitions. [2021-11-12 23:29:01,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (119), 4 states have call predecessors, (119), 2 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116) [2021-11-12 23:29:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 152642 states and 212114 transitions. [2021-11-12 23:29:01,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-11-12 23:29:01,770 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:29:01,771 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:01,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-12 23:29:01,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:29:01,984 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 23:29:01,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:29:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1430795537, now seen corresponding path program 1 times [2021-11-12 23:29:01,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:29:01,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746538309] [2021-11-12 23:29:01,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:29:01,999 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:29:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:29:02,000 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:29:02,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ced67b5-4e6c-4df4-8dc1-6fcbdab27e25/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:29:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:29:13,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 6663 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:29:13,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:29:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11230 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-12 23:29:19,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:29:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 11230 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11228 trivial. 0 not checked. [2021-11-12 23:29:22,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:29:22,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746538309] [2021-11-12 23:29:22,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746538309] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:29:22,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:29:22,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:29:22,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268190011] [2021-11-12 23:29:22,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:29:22,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:29:22,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:29:22,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:29:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:29:22,365 INFO L87 Difference]: Start difference. First operand 152642 states and 212114 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-11-12 23:29:27,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:29:27,007 INFO L93 Difference]: Finished difference Result 152648 states and 212119 transitions. [2021-11-12 23:29:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:29:27,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 636 [2021-11-12 23:29:27,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:29:27,565 INFO L225 Difference]: With dead ends: 152648 [2021-11-12 23:29:27,565 INFO L226 Difference]: Without dead ends: 152646 [2021-11-12 23:29:27,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1273 GetRequests, 1265 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:29:27,620 INFO L933 BasicCegarLoop]: 3954 mSDtfsCounter, 3807 mSDsluCounter, 7889 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3817 SdHoareTripleChecker+Valid, 11843 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.82ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:29:27,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3817 Valid, 11843 Invalid, 20 Unknown, 0 Unchecked, 17.82ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 84.39ms Time] [2021-11-12 23:29:27,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152646 states.