./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-3com-3c59x.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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:53:04,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:53:04,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:53:04,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:53:04,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:53:04,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:53:04,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:53:04,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:53:04,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:53:04,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:53:04,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:53:04,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:53:04,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:53:04,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:53:04,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:53:04,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:53:04,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:53:04,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:53:04,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:53:04,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:53:04,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:53:04,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:53:04,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:53:04,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:53:04,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:53:04,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:53:04,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:53:04,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:53:04,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:53:04,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:53:04,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:53:04,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:53:04,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:53:04,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:53:04,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:53:04,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:53:04,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:53:04,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:53:04,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:53:04,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:53:04,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:53:04,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:53:04,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:53:04,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:53:04,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:53:04,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:53:04,309 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:53:04,310 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:53:04,310 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:53:04,310 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:53:04,310 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:53:04,311 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:53:04,312 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:53:04,312 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:53:04,312 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:53:04,313 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:53:04,313 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:53:04,313 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:53:04,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:53:04,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:53:04,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:53:04,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:53:04,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:53:04,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:53:04,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:53:04,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:53:04,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:53:04,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:53:04,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:53:04,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:53:04,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:04,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:53:04,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:53:04,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:53:04,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:53:04,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:53:04,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:53:04,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:53:04,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:53:04,321 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-11-12 22:53:04,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:53:04,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:53:04,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:53:04,623 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:53:04,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:53:04,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 22:53:04,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/fdf35544a/abe6a4f2692a46fcae4ab0cb52485102/FLAGe86d88aa3 [2021-11-12 22:53:05,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:53:05,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 22:53:05,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/fdf35544a/abe6a4f2692a46fcae4ab0cb52485102/FLAGe86d88aa3 [2021-11-12 22:53:06,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/fdf35544a/abe6a4f2692a46fcae4ab0cb52485102 [2021-11-12 22:53:06,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:53:06,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:53:06,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:06,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:53:06,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:53:06,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:06" (1/1) ... [2021-11-12 22:53:06,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e18cdeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:06, skipping insertion in model container [2021-11-12 22:53:06,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:06" (1/1) ... [2021-11-12 22:53:06,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:53:06,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:08,935 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:08,942 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:08,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,005 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,121 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,122 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,124 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,125 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,182 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,251 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,286 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,312 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,338 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,339 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,364 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 22:53:09,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,399 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,404 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,407 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,469 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,470 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,477 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,484 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,491 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,512 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,513 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,514 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:09,515 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:53:10,912 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-12 22:53:10,914 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-12 22:53:10,914 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-12 22:53:10,915 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-12 22:53:10,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:10,990 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:53:10,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37efbd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:10, skipping insertion in model container [2021-11-12 22:53:10,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:10,991 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:53:10,993 INFO L158 Benchmark]: Toolchain (without parser) took 4888.61ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 43.0MB in the beginning and 82.0MB in the end (delta: -39.0MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-11-12 22:53:10,994 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:53:10,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4885.63ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 42.8MB in the beginning and 82.0MB in the end (delta: -39.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-11-12 22:53:10,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4885.63ms. Allocated memory was 81.8MB in the beginning and 157.3MB in the end (delta: 75.5MB). Free memory was 42.8MB in the beginning and 82.0MB in the end (delta: -39.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6103]: 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:53:13,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:53:13,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:53:13,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:53:13,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:53:13,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:53:13,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:53:13,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:53:13,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:53:13,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:53:13,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:53:13,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:53:13,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:53:13,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:53:13,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:53:13,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:53:13,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:53:13,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:53:13,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:53:13,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:53:13,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:53:13,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:53:13,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:53:13,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:53:13,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:53:13,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:53:13,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:53:13,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:53:13,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:53:13,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:53:13,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:53:13,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:53:13,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:53:13,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:53:13,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:53:13,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:53:13,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:53:13,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:53:13,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:53:13,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:53:13,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:53:13,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:53:13,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:53:13,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:53:13,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:53:13,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:53:13,389 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:53:13,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:53:13,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:53:13,390 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:53:13,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:53:13,391 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:53:13,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:53:13,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:53:13,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:53:13,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:53:13,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:53:13,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:53:13,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:53:13,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:53:13,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:53:13,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:53:13,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:53:13,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:53:13,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:53:13,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:53:13,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:13,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:53:13,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:53:13,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:53:13,397 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:53:13,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:53:13,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:53:13,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:53:13,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:53:13,398 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-11-12 22:53:13,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:53:13,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:53:13,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:53:13,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:53:13,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:53:13,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 22:53:13,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/965374a4e/09d26f7d6cee4c458e60b14a839ba979/FLAGeee6f87fc [2021-11-12 22:53:15,120 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:53:15,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 22:53:15,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/965374a4e/09d26f7d6cee4c458e60b14a839ba979/FLAGeee6f87fc [2021-11-12 22:53:15,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/data/965374a4e/09d26f7d6cee4c458e60b14a839ba979 [2021-11-12 22:53:15,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:53:15,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:53:15,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:15,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:53:15,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:53:15,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:15" (1/1) ... [2021-11-12 22:53:15,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73645127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:15, skipping insertion in model container [2021-11-12 22:53:15,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:53:15" (1/1) ... [2021-11-12 22:53:15,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:53:15,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:20,126 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-12 22:53:20,129 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-12 22:53:20,130 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-12 22:53:20,131 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-12 22:53:20,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:20,255 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:53:20,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:53:20,929 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-12 22:53:20,929 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-12 22:53:20,930 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-12 22:53:20,931 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-12 22:53:20,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:20,990 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:53:21,551 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-11-12 22:53:21,552 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-11-12 22:53:21,553 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-11-12 22:53:21,554 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_c981b72f-0dde-425e-8ec5-0c95b93e14ec/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-11-12 22:53:21,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:53:22,196 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:53:22,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22 WrapperNode [2021-11-12 22:53:22,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:53:22,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:53:22,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:53:22,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:53:22,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:22,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:22,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:53:22,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:53:22,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:53:22,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:53:22,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:22,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:22,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:22,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:23,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:23,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:23,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:23,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:53:23,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:53:23,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:53:23,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:53:23,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (1/1) ... [2021-11-12 22:53:23,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:53:23,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:53:23,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:53:23,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:53:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:53:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:53:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:53:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:53:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 22:53:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 22:53:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-12 22:53:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-12 22:53:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-12 22:53:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-12 22:53:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:53:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:53:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-11-12 22:53:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-11-12 22:53:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:53:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:53:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 22:53:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 22:53:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-12 22:53:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-12 22:53:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2021-11-12 22:53:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2021-11-12 22:53:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-12 22:53:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-12 22:53:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:53:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:53:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-12 22:53:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-12 22:53:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-12 22:53:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-12 22:53:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:53:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:53:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-12 22:53:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-12 22:53:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-12 22:53:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-12 22:53:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-12 22:53:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-12 22:53:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-12 22:53:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-12 22:53:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-12 22:53:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-12 22:53:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 22:53:23,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 22:53:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 22:53:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 22:53:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-12 22:53:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-12 22:53:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:53:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:53:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-12 22:53:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-12 22:53:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-12 22:53:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-12 22:53:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:53:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:53:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:53:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:53:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:53:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:53:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-12 22:53:23,404 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-12 22:53:23,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 22:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 22:53:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-12 22:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-12 22:53:23,405 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:53:23,405 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:53:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:53:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-12 22:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-12 22:53:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-12 22:53:23,406 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-12 22:53:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 22:53:23,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 22:53:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:53:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:53:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:53:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:53:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-12 22:53:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-12 22:53:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 22:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 22:53:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:53:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 22:53:23,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 22:53:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-12 22:53:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-12 22:53:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 22:53:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 22:53:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-12 22:53:23,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-12 22:53:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:53:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 22:53:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 22:53:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 22:53:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 22:53:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:53:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:53:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-12 22:53:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-12 22:53:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-12 22:53:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-12 22:53:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:53:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:53:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:53:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:53:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:53:23,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:53:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:53:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:53:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:53:23,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:53:23,428 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-12 22:53:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-12 22:53:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-12 22:53:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-12 22:53:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-12 22:53:23,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-12 22:53:23,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:53:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-12 22:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-12 22:53:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:53:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-12 22:53:23,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-12 22:53:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:53:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:53:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:53:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-12 22:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-12 22:53:23,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:53:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:53:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:53:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:53:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-12 22:53:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-12 22:53:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 22:53:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 22:53:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:53:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:53:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:53:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:53:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:53:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:53:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:53:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-12 22:53:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-12 22:53:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:53:23,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:53:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:53:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-12 22:53:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-12 22:53:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:53:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:53:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-12 22:53:23,436 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-12 22:53:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 22:53:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 22:53:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-12 22:53:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-12 22:53:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-12 22:53:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-12 22:53:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-12 22:53:23,437 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-12 22:53:23,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-12 22:53:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-12 22:53:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:53:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:53:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-12 22:53:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-12 22:53:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 22:53:23,438 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 22:53:23,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 22:53:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 22:53:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-12 22:53:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-12 22:53:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:53:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:53:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-12 22:53:23,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-12 22:53:23,439 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-12 22:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-12 22:53:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 22:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 22:53:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-12 22:53:23,440 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-12 22:53:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:53:23,440 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-12 22:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-12 22:53:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-12 22:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-12 22:53:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-12 22:53:23,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-12 22:53:23,441 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-12 22:53:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-12 22:53:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:53:23,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:53:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:53:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:53:23,442 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-12 22:53:23,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-12 22:53:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:53:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:53:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:53:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:53:23,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:53:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:53:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:53:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:53:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-12 22:53:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-12 22:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:53:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 22:53:23,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 22:53:23,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 22:53:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 22:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 22:53:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 22:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-12 22:53:23,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-12 22:53:23,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-12 22:53:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-12 22:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 22:53:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 22:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:53:23,447 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-12 22:53:23,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-12 22:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-12 22:53:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-12 22:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2021-11-12 22:53:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2021-11-12 22:53:23,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:53:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 22:53:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 22:53:23,449 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 22:53:23,450 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 22:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:53:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:53:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:53:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 22:53:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 22:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2021-11-12 22:53:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2021-11-12 22:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 22:53:23,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 22:53:23,451 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-12 22:53:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-12 22:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2021-11-12 22:53:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2021-11-12 22:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-11-12 22:53:23,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-11-12 22:53:23,452 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-12 22:53:23,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-12 22:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 22:53:23,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 22:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 22:53:23,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 22:53:23,453 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-12 22:53:23,454 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-12 22:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 22:53:23,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 22:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:53:23,454 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:53:23,454 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 22:53:23,455 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 22:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:53:23,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 22:53:23,455 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 22:53:23,455 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-12 22:53:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-12 22:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:53:23,456 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-12 22:53:23,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-12 22:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 22:53:23,457 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 22:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-12 22:53:23,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-12 22:53:23,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:53:23,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:53:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-12 22:53:23,458 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-12 22:53:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-12 22:53:23,458 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-12 22:53:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2021-11-12 22:53:23,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2021-11-12 22:53:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2021-11-12 22:53:23,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2021-11-12 22:53:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-12 22:53:23,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-12 22:53:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2021-11-12 22:53:23,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2021-11-12 22:53:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 22:53:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 22:53:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-12 22:53:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-12 22:53:23,460 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-12 22:53:23,460 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-12 22:53:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:53:23,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:53:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 22:53:23,461 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 22:53:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 22:53:23,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 22:53:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:53:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:53:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-12 22:53:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-12 22:53:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 22:53:23,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 22:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:53:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:53:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 22:53:23,463 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 22:53:31,986 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:55:06,217 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:55:06,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:55:06,367 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:55:06,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:55:06 BoogieIcfgContainer [2021-11-12 22:55:06,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:55:06,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:55:06,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:55:06,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:55:06,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:53:15" (1/3) ... [2021-11-12 22:55:06,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3cd0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:55:06, skipping insertion in model container [2021-11-12 22:55:06,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:53:22" (2/3) ... [2021-11-12 22:55:06,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3cd0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:55:06, skipping insertion in model container [2021-11-12 22:55:06,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:55:06" (3/3) ... [2021-11-12 22:55:06,383 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-12 22:55:06,388 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:55:06,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 22:55:06,452 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:55:06,458 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 22:55:06,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 22:55:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2021-11-12 22:55:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-11-12 22:55:06,591 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:06,592 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:06,592 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 22:55:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:06,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1209496031, now seen corresponding path program 1 times [2021-11-12 22:55:06,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:06,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558614428] [2021-11-12 22:55:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:06,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:06,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:06,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:06,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:55:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:55:34,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 5292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:55:34,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:55:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 22:55:34,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:55:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-12 22:55:35,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:55:35,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558614428] [2021-11-12 22:55:35,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558614428] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:55:35,361 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:55:35,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:55:35,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672815200] [2021-11-12 22:55:35,364 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:55:35,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:55:35,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:55:35,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:55:35,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:55:35,416 INFO L87 Difference]: Start difference. First operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 22:55:38,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:55:48,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:55:48,456 INFO L93 Difference]: Finished difference Result 12074 states and 18121 transitions. [2021-11-12 22:55:48,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:55:48,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 215 [2021-11-12 22:55:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:55:48,561 INFO L225 Difference]: With dead ends: 12074 [2021-11-12 22:55:48,562 INFO L226 Difference]: Without dead ends: 8985 [2021-11-12 22:55:48,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 426 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 22:55:48,615 INFO L933 BasicCegarLoop]: 5946 mSDtfsCounter, 8649 mSDsluCounter, 11267 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11345.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8649 SdHoareTripleChecker+Valid, 17213 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 89.76ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12304.52ms IncrementalHoareTripleChecker+Time [2021-11-12 22:55:48,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8649 Valid, 17213 Invalid, 1641 Unknown, 0 Unchecked, 89.76ms Time], IncrementalHoareTripleChecker [20 Valid, 1620 Invalid, 1 Unknown, 0 Unchecked, 12304.52ms Time] [2021-11-12 22:55:48,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8985 states. [2021-11-12 22:55:49,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8985 to 8957. [2021-11-12 22:55:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 6252 states have (on average 1.3371721049264236) internal successors, (8360), 6461 states have internal predecessors, (8360), 2257 states have call successors, (2257), 446 states have call predecessors, (2257), 445 states have return successors, (2253), 2208 states have call predecessors, (2253), 2253 states have call successors, (2253) [2021-11-12 22:55:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12870 transitions. [2021-11-12 22:55:49,309 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12870 transitions. Word has length 215 [2021-11-12 22:55:49,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:55:49,314 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12870 transitions. [2021-11-12 22:55:49,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-12 22:55:49,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12870 transitions. [2021-11-12 22:55:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-12 22:55:49,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:55:49,327 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:55:49,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:55:49,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:55:49,528 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 22:55:49,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:55:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash -805702579, now seen corresponding path program 1 times [2021-11-12 22:55:49,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:55:49,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095842035] [2021-11-12 22:55:49,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:55:49,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:55:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:55:49,547 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:55:49,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:56:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:56:16,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 5340 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:56:16,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:56:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 22:56:17,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:56:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-12 22:56:18,046 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:56:18,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095842035] [2021-11-12 22:56:18,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095842035] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:56:18,046 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:56:18,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:56:18,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481315331] [2021-11-12 22:56:18,047 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:56:18,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:56:18,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:56:18,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:56:18,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:56:18,050 INFO L87 Difference]: Start difference. First operand 8957 states and 12870 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:56:20,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:56:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:56:30,835 INFO L93 Difference]: Finished difference Result 34715 states and 50103 transitions. [2021-11-12 22:56:30,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:56:30,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 224 [2021-11-12 22:56:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:56:31,066 INFO L225 Difference]: With dead ends: 34715 [2021-11-12 22:56:31,066 INFO L226 Difference]: Without dead ends: 25797 [2021-11-12 22:56:31,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 444 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 22:56:31,127 INFO L933 BasicCegarLoop]: 5995 mSDtfsCounter, 8418 mSDsluCounter, 10601 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10956.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8418 SdHoareTripleChecker+Valid, 16596 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 58.76ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11787.23ms IncrementalHoareTripleChecker+Time [2021-11-12 22:56:31,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8418 Valid, 16596 Invalid, 1500 Unknown, 0 Unchecked, 58.76ms Time], IncrementalHoareTripleChecker [9 Valid, 1490 Invalid, 1 Unknown, 0 Unchecked, 11787.23ms Time] [2021-11-12 22:56:31,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25797 states. [2021-11-12 22:56:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25797 to 25731. [2021-11-12 22:56:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25731 states, 18004 states have (on average 1.3348144856698512) internal successors, (24032), 18597 states have internal predecessors, (24032), 6415 states have call successors, (6415), 1322 states have call predecessors, (6415), 1309 states have return successors, (6747), 6234 states have call predecessors, (6747), 6411 states have call successors, (6747) [2021-11-12 22:56:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25731 states to 25731 states and 37194 transitions. [2021-11-12 22:56:32,582 INFO L78 Accepts]: Start accepts. Automaton has 25731 states and 37194 transitions. Word has length 224 [2021-11-12 22:56:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:56:32,585 INFO L470 AbstractCegarLoop]: Abstraction has 25731 states and 37194 transitions. [2021-11-12 22:56:32,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:56:32,587 INFO L276 IsEmpty]: Start isEmpty. Operand 25731 states and 37194 transitions. [2021-11-12 22:56:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 22:56:32,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:56:32,596 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:56:32,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:56:32,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:56:32,812 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 22:56:32,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:56:32,813 INFO L85 PathProgramCache]: Analyzing trace with hash -192865860, now seen corresponding path program 1 times [2021-11-12 22:56:32,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:56:32,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586309287] [2021-11-12 22:56:32,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:56:32,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:56:32,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:56:32,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:56:32,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:56:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:57:00,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 5429 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:57:00,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:57:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 22:57:00,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:57:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-12 22:57:01,163 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:57:01,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586309287] [2021-11-12 22:57:01,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586309287] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:57:01,164 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:57:01,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:57:01,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649868037] [2021-11-12 22:57:01,164 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:57:01,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:57:01,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:57:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:57:01,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:57:01,166 INFO L87 Difference]: Start difference. First operand 25731 states and 37194 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:57:03,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:57:14,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:57:14,445 INFO L93 Difference]: Finished difference Result 86136 states and 123769 transitions. [2021-11-12 22:57:14,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:57:14,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 236 [2021-11-12 22:57:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:57:14,915 INFO L225 Difference]: With dead ends: 86136 [2021-11-12 22:57:14,918 INFO L226 Difference]: Without dead ends: 60444 [2021-11-12 22:57:15,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 468 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 22:57:15,033 INFO L933 BasicCegarLoop]: 6394 mSDtfsCounter, 8519 mSDsluCounter, 7835 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10528.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8519 SdHoareTripleChecker+Valid, 14229 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.13ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11402.72ms IncrementalHoareTripleChecker+Time [2021-11-12 22:57:15,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8519 Valid, 14229 Invalid, 1673 Unknown, 0 Unchecked, 41.13ms Time], IncrementalHoareTripleChecker [41 Valid, 1631 Invalid, 1 Unknown, 0 Unchecked, 11402.72ms Time] [2021-11-12 22:57:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60444 states. [2021-11-12 22:57:18,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60444 to 60378. [2021-11-12 22:57:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60378 states, 41888 states have (on average 1.3231235676088617) internal successors, (55423), 43290 states have internal predecessors, (55423), 15109 states have call successors, (15109), 3407 states have call predecessors, (15109), 3378 states have return successors, (15863), 14658 states have call predecessors, (15863), 15105 states have call successors, (15863) [2021-11-12 22:57:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60378 states to 60378 states and 86395 transitions. [2021-11-12 22:57:18,696 INFO L78 Accepts]: Start accepts. Automaton has 60378 states and 86395 transitions. Word has length 236 [2021-11-12 22:57:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:57:18,697 INFO L470 AbstractCegarLoop]: Abstraction has 60378 states and 86395 transitions. [2021-11-12 22:57:18,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:57:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 60378 states and 86395 transitions. [2021-11-12 22:57:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-12 22:57:18,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:57:18,706 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:57:18,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:57:18,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:57:18,922 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 22:57:18,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:57:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1367888915, now seen corresponding path program 1 times [2021-11-12 22:57:18,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:57:18,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112046811] [2021-11-12 22:57:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:57:18,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:57:18,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:57:18,932 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:57:19,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:57:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:57:46,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 5430 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:57:46,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:57:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-12 22:57:46,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:57:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-12 22:57:47,309 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:57:47,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112046811] [2021-11-12 22:57:47,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112046811] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:57:47,309 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:57:47,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:57:47,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368264111] [2021-11-12 22:57:47,310 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:57:47,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:57:47,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:57:47,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:57:47,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:57:47,311 INFO L87 Difference]: Start difference. First operand 60378 states and 86395 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:57:50,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:58:06,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:58:06,176 INFO L93 Difference]: Finished difference Result 232119 states and 331888 transitions. [2021-11-12 22:58:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:58:06,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 237 [2021-11-12 22:58:06,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:58:07,504 INFO L225 Difference]: With dead ends: 232119 [2021-11-12 22:58:07,504 INFO L226 Difference]: Without dead ends: 171780 [2021-11-12 22:58:07,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 470 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 22:58:07,800 INFO L933 BasicCegarLoop]: 6822 mSDtfsCounter, 10493 mSDsluCounter, 6846 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 1354 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12632.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10493 SdHoareTripleChecker+Valid, 13668 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.59ms SdHoareTripleChecker+Time, 1354 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13898.44ms IncrementalHoareTripleChecker+Time [2021-11-12 22:58:07,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10493 Valid, 13668 Invalid, 3080 Unknown, 0 Unchecked, 40.59ms Time], IncrementalHoareTripleChecker [1354 Valid, 1725 Invalid, 1 Unknown, 0 Unchecked, 13898.44ms Time] [2021-11-12 22:58:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171780 states. [2021-11-12 22:58:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171780 to 171642. [2021-11-12 22:58:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171642 states, 118396 states have (on average 1.322620696645157) internal successors, (156593), 122562 states have internal predecessors, (156593), 43303 states have call successors, (43303), 10025 states have call predecessors, (43303), 9940 states have return successors, (44865), 41958 states have call predecessors, (44865), 43299 states have call successors, (44865) [2021-11-12 22:58:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171642 states to 171642 states and 244761 transitions. [2021-11-12 22:58:18,019 INFO L78 Accepts]: Start accepts. Automaton has 171642 states and 244761 transitions. Word has length 237 [2021-11-12 22:58:18,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:58:18,020 INFO L470 AbstractCegarLoop]: Abstraction has 171642 states and 244761 transitions. [2021-11-12 22:58:18,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:58:18,020 INFO L276 IsEmpty]: Start isEmpty. Operand 171642 states and 244761 transitions. [2021-11-12 22:58:18,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-12 22:58:18,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:58:18,027 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:58:18,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 22:58:18,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:58:18,247 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 22:58:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:58:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1368713517, now seen corresponding path program 1 times [2021-11-12 22:58:18,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:58:18,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116091258] [2021-11-12 22:58:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:58:18,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:58:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:58:18,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:58:18,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c981b72f-0dde-425e-8ec5-0c95b93e14ec/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:58:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:58:45,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 5383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:58:45,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:58:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-12 22:58:45,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:58:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-12 22:58:46,332 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:58:46,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116091258] [2021-11-12 22:58:46,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116091258] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:58:46,333 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:58:46,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:58:46,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442140990] [2021-11-12 22:58:46,333 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:58:46,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:58:46,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:58:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:58:46,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:58:46,335 INFO L87 Difference]: Start difference. First operand 171642 states and 244761 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 22:58:49,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:58:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:58:59,418 INFO L93 Difference]: Finished difference Result 458113 states and 650629 transitions. [2021-11-12 22:58:59,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:58:59,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 238 [2021-11-12 22:58:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:59:00,919 INFO L225 Difference]: With dead ends: 458113 [2021-11-12 22:59:00,919 INFO L226 Difference]: Without dead ends: 286510 [2021-11-12 22:59:01,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 473 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 22:59:01,788 INFO L933 BasicCegarLoop]: 5146 mSDtfsCounter, 3897 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3273.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 9450 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3424.96ms IncrementalHoareTripleChecker+Time [2021-11-12 22:59:01,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3897 Valid, 9450 Invalid, 89 Unknown, 0 Unchecked, 15.55ms Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 3424.96ms Time] [2021-11-12 22:59:02,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286510 states.