./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-net-ethernet-sun-cassini.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_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/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_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/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_4af8123e-a5a5-469b-bf60-da6398d40c12/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 ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:45,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:45,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:45,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:45,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:45,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:45,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:45,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:45,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:45,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:45,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:45,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:45,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:45,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:45,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:45,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:45,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:45,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:45,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:45,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:45,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:45,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:45,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:45,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:45,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:45,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:45,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:45,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:45,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:45,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:45,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:45,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:45,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:45,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:45,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:45,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:45,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:45,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:45,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:45,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:45,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:45,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:36:45,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:45,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:45,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:45,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:45,356 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:45,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:45,356 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:45,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:36:45,357 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:45,357 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:45,364 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:36:45,364 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:36:45,365 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:45,365 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:36:45,365 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:36:45,365 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:36:45,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:45,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:36:45,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:45,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:45,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:45,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:45,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:45,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:45,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:45,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:45,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:45,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:45,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:45,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:45,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:45,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:45,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:36:45,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:36:45,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:45,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:45,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:45,372 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_4af8123e-a5a5-469b-bf60-da6398d40c12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 [2021-11-12 23:36:45,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:45,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:45,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:45,695 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:45,696 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:45,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-12 23:36:45,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/d704c0d54/04dae93d8cfb44728897947f53fd05be/FLAGa3360fee4 [2021-11-12 23:36:46,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:46,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-12 23:36:46,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/d704c0d54/04dae93d8cfb44728897947f53fd05be/FLAGa3360fee4 [2021-11-12 23:36:47,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/d704c0d54/04dae93d8cfb44728897947f53fd05be [2021-11-12 23:36:47,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:47,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:47,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:47,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:47,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:47,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:47" (1/1) ... [2021-11-12 23:36:47,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227390cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:47, skipping insertion in model container [2021-11-12 23:36:47,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:47" (1/1) ... [2021-11-12 23:36:47,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:47,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:36:50,365 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 23:36:50,716 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 23:36:50,719 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 23:36:50,780 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 23:36:50,789 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 23:36:50,789 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 23:36:50,799 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 23:36:50,800 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 23:36:50,909 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 23:36:50,909 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 23:36:50,916 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 23:36:50,924 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 23:36:50,971 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 23:36:50,973 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 23:36:50,976 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 23:36:50,987 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 23:36:51,177 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 23:36:51,194 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 23:36:51,196 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 23:36:51,318 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 23:36:51,328 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 23:36:51,346 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 23:36:51,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,372 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,382 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 23:36:51,393 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 23:36:51,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,408 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 23:36:51,417 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 23:36:51,424 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 23:36:51,432 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 23:36:51,439 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 23:36:51,461 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 23:36:51,473 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 23:36:51,494 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 23:36:51,504 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 23:36:51,517 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 23:36:51,518 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 23:36:51,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:36:51,535 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 23:36:51,965 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 23:36:51,979 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 23:36:51,988 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 23:36:51,989 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 23:36:52,012 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 23:36:52,025 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 23:36:53,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2021-11-12 23:36:53,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2021-11-12 23:36:53,177 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2021-11-12 23:36:53,178 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2021-11-12 23:36:53,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:36:53,341 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 23:36:53,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a212de9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:53, skipping insertion in model container [2021-11-12 23:36:53,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:53,342 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:36:53,345 INFO L158 Benchmark]: Toolchain (without parser) took 6149.74ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 77.3MB in the beginning and 110.5MB in the end (delta: -33.2MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2021-11-12 23:36:53,346 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:36:53,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6147.24ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 77.3MB in the beginning and 110.5MB in the end (delta: -33.2MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2021-11-12 23:36:53,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 80.4MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6147.24ms. Allocated memory was 109.1MB in the beginning and 172.0MB in the end (delta: 62.9MB). Free memory was 77.3MB in the beginning and 110.5MB in the end (delta: -33.2MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6988]: 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_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/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_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/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_4af8123e-a5a5-469b-bf60-da6398d40c12/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 ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:36:55,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:36:55,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:36:55,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:36:55,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:36:55,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:36:55,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:36:55,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:36:55,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:36:55,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:36:55,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:36:55,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:36:55,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:36:55,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:36:55,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:36:55,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:36:55,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:36:55,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:36:55,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:36:55,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:36:55,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:36:55,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:36:55,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:36:55,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:36:55,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:36:55,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:36:55,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:36:55,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:36:55,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:36:55,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:36:55,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:36:55,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:36:55,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:36:55,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:36:55,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:36:55,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:36:55,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:36:55,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:36:55,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:36:55,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:36:55,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:36:55,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:36:55,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:36:55,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:36:55,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:36:55,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:36:55,810 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:36:55,810 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:36:55,811 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:36:55,811 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:36:55,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:36:55,812 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:36:55,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:36:55,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:36:55,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:36:55,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:36:55,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:36:55,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:36:55,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:36:55,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:36:55,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:36:55,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:36:55,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:36:55,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:36:55,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:36:55,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:36:55,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:36:55,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:36:55,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:36:55,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:36:55,819 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:36:55,819 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:36:55,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:36:55,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:36:55,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:36:55,820 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_4af8123e-a5a5-469b-bf60-da6398d40c12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce7b7e06b36a72b3de911fb70c1b245fd97c856ddcef7fa1f63b6ddc09812498 [2021-11-12 23:36:56,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:36:56,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:36:56,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:36:56,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:36:56,291 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:36:56,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-12 23:36:56,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/4dd3694c3/9cc1008cd35c46a6955739b93de02075/FLAGc5046fc35 [2021-11-12 23:36:57,549 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:36:57,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-12 23:36:57,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/4dd3694c3/9cc1008cd35c46a6955739b93de02075/FLAGc5046fc35 [2021-11-12 23:36:57,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/data/4dd3694c3/9cc1008cd35c46a6955739b93de02075 [2021-11-12 23:36:57,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:36:57,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:36:57,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:36:57,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:36:57,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:36:57,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:57" (1/1) ... [2021-11-12 23:36:57,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb8dcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:36:57, skipping insertion in model container [2021-11-12 23:36:57,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:36:57" (1/1) ... [2021-11-12 23:36:57,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:36:58,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:04,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2021-11-12 23:37:04,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2021-11-12 23:37:04,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2021-11-12 23:37:04,012 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2021-11-12 23:37:04,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:04,116 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:37:04,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:37:04,892 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2021-11-12 23:37:04,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2021-11-12 23:37:04,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2021-11-12 23:37:04,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2021-11-12 23:37:04,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:04,945 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:37:05,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493165,493178] [2021-11-12 23:37:05,591 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493334,493347] [2021-11-12 23:37:05,592 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493501,493514] [2021-11-12 23:37:05,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i[493669,493682] [2021-11-12 23:37:05,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:37:06,064 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:37:06,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06 WrapperNode [2021-11-12 23:37:06,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:37:06,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:06,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:37:06,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:37:06,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:06,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:06,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:37:06,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:37:06,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:37:06,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:37:06,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:06,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:06,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:06,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:07,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:07,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:07,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:07,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:37:07,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:37:07,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:37:07,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:37:07,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (1/1) ... [2021-11-12 23:37:07,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:07,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:37:07,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:37:07,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:37:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:37:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:37:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_read [2021-11-12 23:37:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_read [2021-11-12 23:37:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure cas_pcs_link_check [2021-11-12 23:37:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_pcs_link_check [2021-11-12 23:37:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:37:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:37:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:37:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:37:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-12 23:37:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-12 23:37:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 23:37:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 23:37:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:37:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:37:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mii_link_check [2021-11-12 23:37:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mii_link_check [2021-11-12 23:37:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure cas_calc_tabort [2021-11-12 23:37:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_calc_tabort [2021-11-12 23:37:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:37:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:37:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-12 23:37:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-12 23:37:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:37:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:37:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 23:37:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 23:37:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:37:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:37:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 23:37:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 23:37:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure cas_lock_tx [2021-11-12 23:37:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_lock_tx [2021-11-12 23:37:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:37:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:37:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:37:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:37:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure cas_disable_irq [2021-11-12 23:37:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_disable_irq [2021-11-12 23:37:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure cas_free_rxds [2021-11-12 23:37:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_free_rxds [2021-11-12 23:37:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-11-12 23:37:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-11-12 23:37:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure cas_open [2021-11-12 23:37:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_open [2021-11-12 23:37:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure cas_interrupt [2021-11-12 23:37:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_interrupt [2021-11-12 23:37:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_tiny_free [2021-11-12 23:37:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_tiny_free [2021-11-12 23:37:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-12 23:37:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-12 23:37:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_map [2021-11-12 23:37:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_map [2021-11-12 23:37:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_init [2021-11-12 23:37:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_init [2021-11-12 23:37:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-12 23:37:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-12 23:37:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-11-12 23:37:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-11-12 23:37:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:37:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:37:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:37:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:37:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure cas_enable_irq [2021-11-12 23:37:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_enable_irq [2021-11-12 23:37:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:37:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:37:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:37:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:37:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_dequeue [2021-11-12 23:37:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_dequeue [2021-11-12 23:37:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-12 23:37:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-12 23:37:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:37:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:37:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:37:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:37:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 23:37:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 23:37:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:37:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:37:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:37:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2021-11-12 23:37:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2021-11-12 23:37:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-12 23:37:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-12 23:37:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:37:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:37:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:37:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:37:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_multicast [2021-11-12 23:37:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_multicast [2021-11-12 23:37:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:37:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:37:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:37:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:37:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_free [2021-11-12 23:37:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_free [2021-11-12 23:37:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure cas_tx_timeout [2021-11-12 23:37:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_tx_timeout [2021-11-12 23:37:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:37:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:37:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_pcs_link_mode [2021-11-12 23:37:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_pcs_link_mode [2021-11-12 23:37:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:37:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:37:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure cas_close [2021-11-12 23:37:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_close [2021-11-12 23:37:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_swap [2021-11-12 23:37:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_swap [2021-11-12 23:37:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:37:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:37:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure cas_netpoll [2021-11-12 23:37:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_netpoll [2021-11-12 23:37:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure cas_hard_reset [2021-11-12 23:37:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_hard_reset [2021-11-12 23:37:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:37:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:37:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:37:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:37:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure cas_rxc_init [2021-11-12 23:37:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_rxc_init [2021-11-12 23:37:07,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:37:07,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:37:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clear_mac_err [2021-11-12 23:37:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clear_mac_err [2021-11-12 23:37:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:37:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:37:07,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:37:07,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:37:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:37:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 23:37:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 23:37:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure cas_remove_one [2021-11-12 23:37:07,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_remove_one [2021-11-12 23:37:07,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-12 23:37:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2021-11-12 23:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:37:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:37:07,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:37:07,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:37:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:37:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-12 23:37:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-12 23:37:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:37:07,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:37:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:37:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:37:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:37:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:37:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:37:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-11-12 23:37:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-11-12 23:37:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:37:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:37:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:37:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:37:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:37:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:37:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:37:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:37:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:07,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:37:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:37:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure cas_set_link_modes [2021-11-12 23:37:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_set_link_modes [2021-11-12 23:37:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure cas_read_mii_link_mode [2021-11-12 23:37:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_read_mii_link_mode [2021-11-12 23:37:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-11-12 23:37:07,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-11-12 23:37:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:37:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:37:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 23:37:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 23:37:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-12 23:37:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-12 23:37:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:37:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:37:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:37:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:37:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:37:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:37:07,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:37:07,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:37:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure csum_unfold [2021-11-12 23:37:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_unfold [2021-11-12 23:37:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:37:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:37:07,558 INFO L130 BoogieDeclarations]: Found specification of procedure cas_entropy_gather [2021-11-12 23:37:07,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_entropy_gather [2021-11-12 23:37:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:37:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure cas_resume [2021-11-12 23:37:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_resume [2021-11-12 23:37:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:37:07,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:37:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:37:07,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:37:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_alloc [2021-11-12 23:37:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_alloc [2021-11-12 23:37:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:37:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:37:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:37:07,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:37:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:37:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:37:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:37:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:37:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:37:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:37:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mif_poll [2021-11-12 23:37:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mif_poll [2021-11-12 23:37:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:37:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:37:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure cas_unlock_tx [2021-11-12 23:37:07,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_unlock_tx [2021-11-12 23:37:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:37:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:37:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2021-11-12 23:37:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2021-11-12 23:37:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice [2021-11-12 23:37:07,563 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice [2021-11-12 23:37:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2021-11-12 23:37:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2021-11-12 23:37:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 23:37:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 23:37:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2021-11-12 23:37:07,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2021-11-12 23:37:07,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:37:07,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:37:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:37:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:37:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:37:07,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:37:07,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 23:37:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 23:37:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure tx_tiny_buf [2021-11-12 23:37:07,571 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_tiny_buf [2021-11-12 23:37:07,571 INFO L130 BoogieDeclarations]: Found specification of procedure cas_mac_reset [2021-11-12 23:37:07,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_mac_reset [2021-11-12 23:37:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cas [2021-11-12 23:37:07,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cas [2021-11-12 23:37:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:37:07,574 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:37:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:37:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_set_page [2021-11-12 23:37:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_set_page [2021-11-12 23:37:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:37:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_regs_len [2021-11-12 23:37:07,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_regs_len [2021-11-12 23:37:07,575 INFO L130 BoogieDeclarations]: Found specification of procedure cas_reset [2021-11-12 23:37:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_reset [2021-11-12 23:37:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-12 23:37:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2021-11-12 23:37:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-12 23:37:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-12 23:37:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_page [2021-11-12 23:37:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_page [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:37:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-12 23:37:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-12 23:37:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure cas_nway_reset [2021-11-12 23:37:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_nway_reset [2021-11-12 23:37:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:37:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:37:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:37:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:37:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:37:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:37:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:37:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:37:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure cas_setup_multicast [2021-11-12 23:37:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_setup_multicast [2021-11-12 23:37:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_powerdown [2021-11-12 23:37:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_powerdown [2021-11-12 23:37:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure cas_post_rxds_ringN [2021-11-12 23:37:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_post_rxds_ringN [2021-11-12 23:37:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 23:37:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 23:37:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure cas_vpd_match [2021-11-12 23:37:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_vpd_match [2021-11-12 23:37:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_83 [2021-11-12 23:37:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_83 [2021-11-12 23:37:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-12 23:37:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-12 23:37:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:37:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:37:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-12 23:37:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-12 23:37:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:37:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:37:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure page_count [2021-11-12 23:37:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure page_count [2021-11-12 23:37:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:37:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:37:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2021-11-12 23:37:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2021-11-12 23:37:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure cas_shutdown [2021-11-12 23:37:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_shutdown [2021-11-12 23:37:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure cas_begin_auto_negotiation [2021-11-12 23:37:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_begin_auto_negotiation [2021-11-12 23:37:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-12 23:37:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-12 23:37:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:37:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:37:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure cas_write_txd [2021-11-12 23:37:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_write_txd [2021-11-12 23:37:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:37:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:37:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_frag_ref [2021-11-12 23:37:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_frag_ref [2021-11-12 23:37:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:37:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:37:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:37:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:37:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:37:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:37:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-12 23:37:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-12 23:37:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2021-11-12 23:37:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2021-11-12 23:37:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2021-11-12 23:37:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2021-11-12 23:37:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:37:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:37:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure cas_init_hw [2021-11-12 23:37:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_init_hw [2021-11-12 23:37:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure cas_clean_rings [2021-11-12 23:37:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_clean_rings [2021-11-12 23:37:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure cas_page_free [2021-11-12 23:37:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_page_free [2021-11-12 23:37:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:37:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:37:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure cas_phy_write [2021-11-12 23:37:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_phy_write [2021-11-12 23:37:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:37:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:37:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 23:37:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 23:37:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:37:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:37:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure cas_spare_recover [2021-11-12 23:37:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_spare_recover [2021-11-12 23:37:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-12 23:37:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-12 23:37:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:37:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:37:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure cas_get_stats [2021-11-12 23:37:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cas_get_stats [2021-11-12 23:37:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:37:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:37:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-12 23:37:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-12 23:37:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:37:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:37:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-12 23:37:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-12 23:37:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-12 23:37:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-12 23:37:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2021-11-12 23:37:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2021-11-12 23:37:12,692 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:46:06,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:46:06,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:46:06,394 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-12 23:46:06,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:46:06 BoogieIcfgContainer [2021-11-12 23:46:06,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:46:06,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:46:06,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:46:06,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:46:06,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:36:57" (1/3) ... [2021-11-12 23:46:06,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f22a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:46:06, skipping insertion in model container [2021-11-12 23:46:06,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:37:06" (2/3) ... [2021-11-12 23:46:06,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f22a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:46:06, skipping insertion in model container [2021-11-12 23:46:06,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:46:06" (3/3) ... [2021-11-12 23:46:06,408 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-cassini.cil.i [2021-11-12 23:46:06,413 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:46:06,413 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:46:06,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:46:06,480 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 23:46:06,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:46:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 3753 states, 2493 states have (on average 1.2904131568391497) internal successors, (3217), 2563 states have internal predecessors, (3217), 1091 states have call successors, (1091), 168 states have call predecessors, (1091), 167 states have return successors, (1086), 1074 states have call predecessors, (1086), 1086 states have call successors, (1086) [2021-11-12 23:46:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:46:06,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:06,588 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:06,589 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 23:46:06,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2127469638, now seen corresponding path program 1 times [2021-11-12 23:46:06,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:06,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802347338] [2021-11-12 23:46:06,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:06,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:06,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:06,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:46:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:13,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:13,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-11-12 23:46:14,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-12 23:46:14,658 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:14,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802347338] [2021-11-12 23:46:14,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802347338] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:14,659 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:14,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:46:14,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050212615] [2021-11-12 23:46:14,662 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:14,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:46:14,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:46:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:14,704 INFO L87 Difference]: Start difference. First operand has 3753 states, 2493 states have (on average 1.2904131568391497) internal successors, (3217), 2563 states have internal predecessors, (3217), 1091 states have call successors, (1091), 168 states have call predecessors, (1091), 167 states have return successors, (1086), 1074 states have call predecessors, (1086), 1086 states have call successors, (1086) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:46:17,264 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 23:46:38,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:38,197 INFO L93 Difference]: Finished difference Result 14737 states and 21872 transitions. [2021-11-12 23:46:38,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:38,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 156 [2021-11-12 23:46:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:38,321 INFO L225 Difference]: With dead ends: 14737 [2021-11-12 23:46:38,321 INFO L226 Difference]: Without dead ends: 10993 [2021-11-12 23:46:38,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 308 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 23:46:38,381 INFO L933 BasicCegarLoop]: 7480 mSDtfsCounter, 13608 mSDsluCounter, 8370 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 2101 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20226.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13608 SdHoareTripleChecker+Valid, 15850 SdHoareTripleChecker+Invalid, 4273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 101.37ms SdHoareTripleChecker+Time, 2101 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22486.68ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:38,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13608 Valid, 15850 Invalid, 4273 Unknown, 0 Unchecked, 101.37ms Time], IncrementalHoareTripleChecker [2101 Valid, 2171 Invalid, 1 Unknown, 0 Unchecked, 22486.68ms Time] [2021-11-12 23:46:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10993 states. [2021-11-12 23:46:39,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10993 to 10960. [2021-11-12 23:46:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10960 states, 7294 states have (on average 1.2816013161502604) internal successors, (9348), 7496 states have internal predecessors, (9348), 3167 states have call successors, (3167), 497 states have call predecessors, (3167), 496 states have return successors, (3164), 3128 states have call predecessors, (3164), 3164 states have call successors, (3164) [2021-11-12 23:46:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10960 states to 10960 states and 15679 transitions. [2021-11-12 23:46:39,464 INFO L78 Accepts]: Start accepts. Automaton has 10960 states and 15679 transitions. Word has length 156 [2021-11-12 23:46:39,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:39,468 INFO L470 AbstractCegarLoop]: Abstraction has 10960 states and 15679 transitions. [2021-11-12 23:46:39,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:46:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 10960 states and 15679 transitions. [2021-11-12 23:46:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-12 23:46:39,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:39,484 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:46:39,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:39,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:39,712 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 23:46:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:39,712 INFO L85 PathProgramCache]: Analyzing trace with hash 563100229, now seen corresponding path program 1 times [2021-11-12 23:46:39,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:39,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699663991] [2021-11-12 23:46:39,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:39,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:39,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:39,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:39,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:46:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:46,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2562 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:46,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-11-12 23:46:47,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-12 23:46:47,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:47,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699663991] [2021-11-12 23:46:47,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699663991] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:48,000 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:48,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:46:48,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486464148] [2021-11-12 23:46:48,000 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:48,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:46:48,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:48,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:46:48,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:48,003 INFO L87 Difference]: Start difference. First operand 10960 states and 15679 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:46:50,406 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 23:47:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:11,636 INFO L93 Difference]: Finished difference Result 43099 states and 61756 transitions. [2021-11-12 23:47:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:11,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 165 [2021-11-12 23:47:11,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:11,929 INFO L225 Difference]: With dead ends: 43099 [2021-11-12 23:47:11,929 INFO L226 Difference]: Without dead ends: 32168 [2021-11-12 23:47:12,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:47:12,016 INFO L933 BasicCegarLoop]: 7411 mSDtfsCounter, 13311 mSDsluCounter, 8349 mSDsCounter, 0 mSdLazyCounter, 2096 mSolverCounterSat, 2097 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20121.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13311 SdHoareTripleChecker+Valid, 15760 SdHoareTripleChecker+Invalid, 4194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.99ms SdHoareTripleChecker+Time, 2097 IncrementalHoareTripleChecker+Valid, 2096 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22315.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:12,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13311 Valid, 15760 Invalid, 4194 Unknown, 0 Unchecked, 66.99ms Time], IncrementalHoareTripleChecker [2097 Valid, 2096 Invalid, 1 Unknown, 0 Unchecked, 22315.79ms Time] [2021-11-12 23:47:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32168 states. [2021-11-12 23:47:14,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32168 to 32080. [2021-11-12 23:47:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32080 states, 21390 states have (on average 1.280691912108462) internal successors, (27394), 21980 states have internal predecessors, (27394), 9207 states have call successors, (9207), 1487 states have call predecessors, (9207), 1480 states have return successors, (9390), 9062 states have call predecessors, (9390), 9204 states have call successors, (9390) [2021-11-12 23:47:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32080 states to 32080 states and 45991 transitions. [2021-11-12 23:47:14,298 INFO L78 Accepts]: Start accepts. Automaton has 32080 states and 45991 transitions. Word has length 165 [2021-11-12 23:47:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:14,299 INFO L470 AbstractCegarLoop]: Abstraction has 32080 states and 45991 transitions. [2021-11-12 23:47:14,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:47:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 32080 states and 45991 transitions. [2021-11-12 23:47:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-12 23:47:14,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:14,304 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:47:14,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:14,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,505 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 23:47:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash 954034423, now seen corresponding path program 1 times [2021-11-12 23:47:14,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:14,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741637992] [2021-11-12 23:47:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:14,512 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:14,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:14,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:14,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:47:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:21,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 2593 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:21,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-11-12 23:47:21,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-12 23:47:22,279 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:22,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741637992] [2021-11-12 23:47:22,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741637992] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:22,279 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:22,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:47:22,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939676201] [2021-11-12 23:47:22,280 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:22,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:47:22,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:22,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:47:22,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:22,282 INFO L87 Difference]: Start difference. First operand 32080 states and 45991 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:47:24,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:47:27,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:27,112 INFO L93 Difference]: Finished difference Result 91736 states and 131390 transitions. [2021-11-12 23:47:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:47:27,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 166 [2021-11-12 23:47:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:27,784 INFO L225 Difference]: With dead ends: 91736 [2021-11-12 23:47:27,784 INFO L226 Difference]: Without dead ends: 59685 [2021-11-12 23:47:27,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:47:27,917 INFO L933 BasicCegarLoop]: 6268 mSDtfsCounter, 4579 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2819.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4579 SdHoareTripleChecker+Valid, 11474 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.47ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2942.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:27,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4579 Valid, 11474 Invalid, 86 Unknown, 0 Unchecked, 19.47ms Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 1 Unknown, 0 Unchecked, 2942.77ms Time] [2021-11-12 23:47:27,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59685 states. [2021-11-12 23:47:31,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59685 to 59629. [2021-11-12 23:47:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59629 states, 39627 states have (on average 1.279380220556691) internal successors, (50698), 40724 states have internal predecessors, (50698), 17121 states have call successors, (17121), 2891 states have call predecessors, (17121), 2878 states have return successors, (17505), 16856 states have call predecessors, (17505), 17118 states have call successors, (17505) [2021-11-12 23:47:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59629 states to 59629 states and 85324 transitions. [2021-11-12 23:47:31,741 INFO L78 Accepts]: Start accepts. Automaton has 59629 states and 85324 transitions. Word has length 166 [2021-11-12 23:47:31,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:31,743 INFO L470 AbstractCegarLoop]: Abstraction has 59629 states and 85324 transitions. [2021-11-12 23:47:31,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-12 23:47:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 59629 states and 85324 transitions. [2021-11-12 23:47:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-12 23:47:31,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:31,748 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:47:31,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:31,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:31,969 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 23:47:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1165443321, now seen corresponding path program 1 times [2021-11-12 23:47:31,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:31,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827458054] [2021-11-12 23:47:31,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:31,975 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:31,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:31,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:32,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:47:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:39,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 2618 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:39,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-11-12 23:47:39,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-12 23:47:40,281 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:40,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827458054] [2021-11-12 23:47:40,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827458054] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:40,281 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:40,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:47:40,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401242180] [2021-11-12 23:47:40,282 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:40,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:47:40,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:40,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:47:40,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:47:40,283 INFO L87 Difference]: Start difference. First operand 59629 states and 85324 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:47:42,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:48:00,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:00,282 INFO L93 Difference]: Finished difference Result 155433 states and 220896 transitions. [2021-11-12 23:48:00,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:48:00,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 171 [2021-11-12 23:48:00,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:00,741 INFO L225 Difference]: With dead ends: 155433 [2021-11-12 23:48:00,741 INFO L226 Difference]: Without dead ends: 95833 [2021-11-12 23:48:01,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 338 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 23:48:01,154 INFO L933 BasicCegarLoop]: 8130 mSDtfsCounter, 8378 mSDsluCounter, 9459 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15518.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8378 SdHoareTripleChecker+Valid, 17589 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.72ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16850.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:01,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8378 Valid, 17589 Invalid, 2247 Unknown, 0 Unchecked, 39.72ms Time], IncrementalHoareTripleChecker [41 Valid, 2205 Invalid, 1 Unknown, 0 Unchecked, 16850.31ms Time] [2021-11-12 23:48:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95833 states. [2021-11-12 23:48:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95833 to 95759. [2021-11-12 23:48:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95759 states, 64449 states have (on average 1.2814163136743781) internal successors, (82586), 66150 states have internal predecessors, (82586), 26128 states have call successors, (26128), 5192 states have call predecessors, (26128), 5179 states have return successors, (26543), 25765 states have call predecessors, (26543), 26125 states have call successors, (26543) [2021-11-12 23:48:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95759 states to 95759 states and 135257 transitions. [2021-11-12 23:48:06,132 INFO L78 Accepts]: Start accepts. Automaton has 95759 states and 135257 transitions. Word has length 171 [2021-11-12 23:48:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:06,133 INFO L470 AbstractCegarLoop]: Abstraction has 95759 states and 135257 transitions. [2021-11-12 23:48:06,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-12 23:48:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 95759 states and 135257 transitions. [2021-11-12 23:48:06,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:48:06,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:06,138 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:48:06,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 23:48:06,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:06,359 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:48:06,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash 345865182, now seen corresponding path program 1 times [2021-11-12 23:48:06,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:06,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357789191] [2021-11-12 23:48:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:06,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:06,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:06,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:06,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4af8123e-a5a5-469b-bf60-da6398d40c12/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:48:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:13,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2608 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:48:13,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2021-11-12 23:48:13,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-12 23:48:14,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:14,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357789191] [2021-11-12 23:48:14,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357789191] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:14,426 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:14,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:48:14,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707345970] [2021-11-12 23:48:14,427 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:14,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:48:14,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:48:14,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:48:14,428 INFO L87 Difference]: Start difference. First operand 95759 states and 135257 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:48:16,830 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 23:48:41,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:41,209 INFO L93 Difference]: Finished difference Result 345605 states and 488681 transitions. [2021-11-12 23:48:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:48:41,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 175 [2021-11-12 23:48:41,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:43,132 INFO L225 Difference]: With dead ends: 345605 [2021-11-12 23:48:43,132 INFO L226 Difference]: Without dead ends: 249875 [2021-11-12 23:48:43,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 346 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 23:48:43,449 INFO L933 BasicCegarLoop]: 7470 mSDtfsCounter, 13571 mSDsluCounter, 8305 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 2149 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17423.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13571 SdHoareTripleChecker+Valid, 15775 SdHoareTripleChecker+Invalid, 4297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.20ms SdHoareTripleChecker+Time, 2149 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19304.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:43,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13571 Valid, 15775 Invalid, 4297 Unknown, 0 Unchecked, 45.20ms Time], IncrementalHoareTripleChecker [2149 Valid, 2147 Invalid, 1 Unknown, 0 Unchecked, 19304.25ms Time] [2021-11-12 23:48:43,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249875 states.