./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-dec-tulip-de4x5.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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:50,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:50,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:50,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:50,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:50,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:50,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:50,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:50,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:50,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:50,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:50,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:50,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:50,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:50,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:50,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:50,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:50,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:50,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:50,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:50,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:50,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:50,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:50,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:50,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:50,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:50,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:50,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:50,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:50,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:50,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:50,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:50,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:50,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:50,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:50,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:50,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:50,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:50,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:50,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:50,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:50,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:36:50,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:50,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:50,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:50,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:50,319 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:50,319 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:50,319 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:50,320 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:36:50,320 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:50,320 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:50,321 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:36:50,321 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:36:50,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:50,322 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:36:50,322 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:36:50,322 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:36:50,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:50,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:36:50,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:50,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:50,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:50,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:50,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:50,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:50,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:50,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:50,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:50,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:50,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:50,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:50,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:50,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:50,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:36:50,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:36:50,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:50,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:50,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:50,329 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-13 02:36:50,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:50,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:50,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:50,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:50,687 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:50,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 02:36:50,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/7caa334d0/883729bef24242ffa69c3dbc78eb8c1b/FLAG8df98df14 [2021-11-13 02:36:51,820 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:36:51,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 02:36:51,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/7caa334d0/883729bef24242ffa69c3dbc78eb8c1b/FLAG8df98df14 [2021-11-13 02:36:52,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/7caa334d0/883729bef24242ffa69c3dbc78eb8c1b [2021-11-13 02:36:52,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:36:52,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:36:52,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:52,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:36:52,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:36:52,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:52" (1/1) ... [2021-11-13 02:36:52,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d08f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:52, skipping insertion in model container [2021-11-13 02:36:52,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:36:52" (1/1) ... [2021-11-13 02:36:52,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:36:52,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:36:54,061 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,068 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,112 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,121 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,121 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,780 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,794 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,807 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,818 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,829 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,841 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,841 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,851 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,872 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,880 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,882 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,886 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,890 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,894 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,896 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,900 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,904 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,908 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,923 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,939 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,953 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,955 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,957 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,970 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:54,988 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,057 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,107 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,108 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,145 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,146 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,169 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,170 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,174 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,180 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,185 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,188 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,190 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,194 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,196 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,198 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,199 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,202 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,206 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,209 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,209 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,210 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,212 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,236 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,239 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,255 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,262 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,265 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,279 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,286 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,297 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,301 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,308 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,313 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,320 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,326 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,329 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,331 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,335 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,338 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,341 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,349 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,353 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,366 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,949 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,979 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:55,980 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:56,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:56,015 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:36:56,872 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-13 02:36:56,875 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-13 02:36:56,875 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-13 02:36:56,876 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-13 02:36:56,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:36:56,969 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) [2021-11-13 02:36:56,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c69ab39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:36:56, skipping insertion in model container [2021-11-13 02:36:56,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:36:56,970 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:36:56,972 INFO L158 Benchmark]: Toolchain (without parser) took 4897.61ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 71.5MB in the beginning and 56.5MB in the end (delta: 15.0MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2021-11-13 02:36:56,973 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:36:56,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4892.73ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 71.2MB in the beginning and 56.5MB in the end (delta: 14.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2021-11-13 02:36:56,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4892.73ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 71.2MB in the beginning and 56.5MB in the end (delta: 14.7MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5904]: 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:36:59,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:36:59,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:36:59,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:36:59,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:36:59,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:36:59,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:36:59,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:36:59,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:36:59,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:36:59,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:36:59,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:36:59,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:36:59,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:36:59,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:36:59,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:36:59,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:36:59,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:36:59,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:36:59,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:36:59,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:36:59,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:36:59,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:36:59,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:36:59,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:36:59,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:36:59,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:36:59,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:36:59,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:36:59,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:36:59,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:36:59,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:36:59,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:36:59,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:36:59,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:36:59,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:36:59,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:36:59,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:36:59,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:36:59,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:36:59,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:36:59,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:36:59,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:36:59,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:36:59,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:36:59,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:36:59,344 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:36:59,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:36:59,345 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:36:59,345 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:36:59,345 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:36:59,346 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:36:59,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:36:59,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:36:59,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:36:59,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:36:59,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:36:59,347 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:36:59,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:36:59,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:36:59,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:36:59,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:36:59,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:36:59,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:36:59,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:36:59,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:36:59,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:59,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:36:59,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:36:59,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:36:59,350 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:36:59,351 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:36:59,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:36:59,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:36:59,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:36:59,352 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-13 02:36:59,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:36:59,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:36:59,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:36:59,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:36:59,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:36:59,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 02:36:59,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/26773eade/e748997ddc3940449acd372e95931803/FLAGd75ef240e [2021-11-13 02:37:00,983 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:37:00,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 02:37:01,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/26773eade/e748997ddc3940449acd372e95931803/FLAGd75ef240e [2021-11-13 02:37:01,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/data/26773eade/e748997ddc3940449acd372e95931803 [2021-11-13 02:37:01,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:37:01,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:37:01,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:37:01,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:37:01,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:37:01,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706455b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:01, skipping insertion in model container [2021-11-13 02:37:01,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:37:01" (1/1) ... [2021-11-13 02:37:01,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:37:01,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:37:06,256 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-13 02:37:06,259 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-13 02:37:06,260 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-13 02:37:06,261 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-13 02:37:06,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:06,353 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:37:06,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:37:07,103 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-13 02:37:07,104 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-13 02:37:07,104 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-13 02:37:07,108 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-13 02:37:07,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:07,149 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:37:07,749 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-13 02:37:07,749 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-13 02:37:07,750 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-13 02:37:07,750 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_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-13 02:37:07,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:37:08,015 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:37:08,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08 WrapperNode [2021-11-13 02:37:08,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:37:08,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:08,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:37:08,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:37:08,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:37:08,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:37:08,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:37:08,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:37:08,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:08,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:09,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:09,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:37:09,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:37:09,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:37:09,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:37:09,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (1/1) ... [2021-11-13 02:37:09,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:37:09,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:37:09,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:37:09,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:37:09,222 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-13 02:37:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-13 02:37:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:37:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:37:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 02:37:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 02:37:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:37:09,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:37:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-13 02:37:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-13 02:37:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-13 02:37:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-13 02:37:09,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-13 02:37:09,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-13 02:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-13 02:37:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-13 02:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:37:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 02:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-13 02:37:09,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-13 02:37:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-13 02:37:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-13 02:37:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-13 02:37:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-13 02:37:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:37:09,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:37:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-13 02:37:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-13 02:37:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-11-13 02:37:09,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-11-13 02:37:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:37:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-13 02:37:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-13 02:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-13 02:37:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-13 02:37:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:37:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:37:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-13 02:37:09,229 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-13 02:37:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-13 02:37:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-13 02:37:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-13 02:37:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-13 02:37:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-13 02:37:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-13 02:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:37:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-13 02:37:09,232 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-13 02:37:09,232 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-13 02:37:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-13 02:37:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 02:37:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 02:37:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:37:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:37:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-13 02:37:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-13 02:37:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-13 02:37:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:37:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-13 02:37:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-13 02:37:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:37:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-13 02:37:09,236 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-13 02:37:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:37:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-13 02:37:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-13 02:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-13 02:37:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-13 02:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:37:09,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:37:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-13 02:37:09,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-13 02:37:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-13 02:37:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-13 02:37:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-13 02:37:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-13 02:37:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-13 02:37:09,239 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-13 02:37:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:37:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:37:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:37:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:37:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:37:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:37:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-13 02:37:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-13 02:37:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:37:09,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:37:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:37:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:37:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:37:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:37:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:37:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:37:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-13 02:37:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-13 02:37:09,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:37:09,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:37:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-13 02:37:09,244 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-13 02:37:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:37:09,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:37:09,247 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 02:37:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 02:37:09,248 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-13 02:37:09,248 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-13 02:37:09,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 02:37:09,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 02:37:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-13 02:37:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-13 02:37:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-13 02:37:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-13 02:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:37:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 02:37:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 02:37:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-13 02:37:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-13 02:37:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-13 02:37:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-13 02:37:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:37:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:37:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:37:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:37:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:37:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-13 02:37:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-13 02:37:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-13 02:37:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-13 02:37:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-13 02:37:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-13 02:37:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-13 02:37:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-13 02:37:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-13 02:37:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-13 02:37:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 02:37:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 02:37:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-13 02:37:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-13 02:37:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:37:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:37:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-13 02:37:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-13 02:37:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:37:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:37:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 02:37:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 02:37:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-13 02:37:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-13 02:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-13 02:37:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-13 02:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:37:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:37:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-13 02:37:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-13 02:37:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:37:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-13 02:37:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-13 02:37:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:37:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-13 02:37:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-13 02:37:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:37:09,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:37:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-13 02:37:09,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-13 02:37:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:37:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 02:37:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 02:37:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 02:37:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-13 02:37:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-13 02:37:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-13 02:37:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-13 02:37:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:37:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:37:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-13 02:37:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-13 02:37:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-13 02:37:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-13 02:37:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-13 02:37:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-13 02:37:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-13 02:37:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-13 02:37:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-13 02:37:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-13 02:37:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:37:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:37:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-13 02:37:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-13 02:37:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:37:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:37:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-13 02:37:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-13 02:37:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 02:37:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 02:37:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-13 02:37:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-13 02:37:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-13 02:37:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-13 02:37:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 02:37:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 02:37:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-13 02:37:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-13 02:37:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:37:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-13 02:37:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-13 02:37:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-13 02:37:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-13 02:37:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-13 02:37:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-13 02:37:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-13 02:37:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-13 02:37:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:37:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-13 02:37:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-13 02:37:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-13 02:37:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-13 02:37:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:37:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-13 02:37:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-13 02:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-13 02:37:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-13 02:37:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-13 02:37:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-13 02:37:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-13 02:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-13 02:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-13 02:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-13 02:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:37:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-13 02:37:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-13 02:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 02:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 02:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-13 02:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-13 02:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:37:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-13 02:37:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-13 02:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-13 02:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-13 02:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-13 02:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-13 02:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-13 02:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-13 02:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-13 02:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-13 02:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 02:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 02:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:37:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:37:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-13 02:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-13 02:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 02:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 02:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-11-13 02:37:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-11-13 02:37:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-13 02:37:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-13 02:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-13 02:37:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-13 02:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:37:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-13 02:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-13 02:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 02:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 02:37:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-13 02:37:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-13 02:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-13 02:37:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-13 02:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-13 02:37:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-13 02:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-13 02:37:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-13 02:37:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-13 02:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-13 02:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-13 02:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-13 02:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-13 02:37:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-13 02:37:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-13 02:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-13 02:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-13 02:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-13 02:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-13 02:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-13 02:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-13 02:37:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-13 02:37:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-13 02:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-13 02:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 02:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 02:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-13 02:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-13 02:37:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-13 02:37:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-13 02:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-13 02:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-13 02:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-13 02:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-13 02:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-13 02:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-13 02:37:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-13 02:37:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-13 02:37:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:37:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:37:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-13 02:37:14,619 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:38:56,336 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:38:56,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:38:56,982 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-13 02:38:56,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:38:56 BoogieIcfgContainer [2021-11-13 02:38:56,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:38:56,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:38:56,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:38:56,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:38:56,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:37:01" (1/3) ... [2021-11-13 02:38:56,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2680c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:38:56, skipping insertion in model container [2021-11-13 02:38:56,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:37:08" (2/3) ... [2021-11-13 02:38:57,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2680c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:38:56, skipping insertion in model container [2021-11-13 02:38:57,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:38:56" (3/3) ... [2021-11-13 02:38:57,001 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-13 02:38:57,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:38:57,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 02:38:57,092 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:38:57,100 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 [2021-11-13 02:38:57,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 02:38:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-11-13 02:38:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-13 02:38:57,237 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:57,238 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:57,239 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)] === [2021-11-13 02:38:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2145689996, now seen corresponding path program 1 times [2021-11-13 02:38:57,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:57,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582614315] [2021-11-13 02:38:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:57,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:57,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:57,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:57,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:39:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:01,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1883 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:01,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-13 02:39:02,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:03,113 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 02:39:03,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:03,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582614315] [2021-11-13 02:39:03,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582614315] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:03,115 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:03,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:03,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003882749] [2021-11-13 02:39:03,118 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:03,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:03,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:03,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:03,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:03,170 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-13 02:39:05,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:39:19,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:19,434 INFO L93 Difference]: Finished difference Result 15466 states and 23296 transitions. [2021-11-13 02:39:19,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:19,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 189 [2021-11-13 02:39:19,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:19,577 INFO L225 Difference]: With dead ends: 15466 [2021-11-13 02:39:19,577 INFO L226 Difference]: Without dead ends: 11519 [2021-11-13 02:39:19,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:19,658 INFO L933 BasicCegarLoop]: 7613 mSDtfsCounter, 14919 mSDsluCounter, 9313 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 1885 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13423.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14919 SdHoareTripleChecker+Valid, 16926 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.31ms SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15290.90ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:19,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14919 Valid, 16926 Invalid, 3835 Unknown, 0 Unchecked, 103.31ms Time], IncrementalHoareTripleChecker [1885 Valid, 1949 Invalid, 1 Unknown, 0 Unchecked, 15290.90ms Time] [2021-11-13 02:39:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11519 states. [2021-11-13 02:39:20,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11519 to 11492. [2021-11-13 02:39:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11492 states, 8201 states have (on average 1.3531276673576393) internal successors, (11097), 8337 states have internal predecessors, (11097), 2837 states have call successors, (2837), 452 states have call predecessors, (2837), 451 states have return successors, (2834), 2792 states have call predecessors, (2834), 2834 states have call successors, (2834) [2021-11-13 02:39:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11492 states to 11492 states and 16768 transitions. [2021-11-13 02:39:20,585 INFO L78 Accepts]: Start accepts. Automaton has 11492 states and 16768 transitions. Word has length 189 [2021-11-13 02:39:20,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:20,590 INFO L470 AbstractCegarLoop]: Abstraction has 11492 states and 16768 transitions. [2021-11-13 02:39:20,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-13 02:39:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11492 states and 16768 transitions. [2021-11-13 02:39:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-13 02:39:20,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:20,626 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:20,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:20,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:20,843 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)] === [2021-11-13 02:39:20,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:20,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1734393835, now seen corresponding path program 1 times [2021-11-13 02:39:20,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:20,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452409412] [2021-11-13 02:39:20,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:20,849 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:20,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:20,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:39:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:24,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:24,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-13 02:39:25,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 02:39:25,717 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:25,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452409412] [2021-11-13 02:39:25,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452409412] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:25,717 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:25,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:25,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486252686] [2021-11-13 02:39:25,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:25,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:25,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:25,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:25,720 INFO L87 Difference]: Start difference. First operand 11492 states and 16768 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-13 02:39:27,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:39:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:37,919 INFO L93 Difference]: Finished difference Result 44591 states and 66043 transitions. [2021-11-13 02:39:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:37,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 195 [2021-11-13 02:39:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:38,232 INFO L225 Difference]: With dead ends: 44591 [2021-11-13 02:39:38,234 INFO L226 Difference]: Without dead ends: 33134 [2021-11-13 02:39:38,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:38,321 INFO L933 BasicCegarLoop]: 7696 mSDtfsCounter, 10888 mSDsluCounter, 14232 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9797.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10888 SdHoareTripleChecker+Valid, 21928 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 69.99ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10840.93ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:38,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10888 Valid, 21928 Invalid, 1890 Unknown, 0 Unchecked, 69.99ms Time], IncrementalHoareTripleChecker [16 Valid, 1873 Invalid, 1 Unknown, 0 Unchecked, 10840.93ms Time] [2021-11-13 02:39:38,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33134 states. [2021-11-13 02:39:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33134 to 33058. [2021-11-13 02:39:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33058 states, 23559 states have (on average 1.3549386646292287) internal successors, (31921), 23981 states have internal predecessors, (31921), 8163 states have call successors, (8163), 1346 states have call predecessors, (8163), 1333 states have return successors, (9132), 8000 states have call predecessors, (9132), 8160 states have call successors, (9132) [2021-11-13 02:39:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33058 states to 33058 states and 49216 transitions. [2021-11-13 02:39:40,661 INFO L78 Accepts]: Start accepts. Automaton has 33058 states and 49216 transitions. Word has length 195 [2021-11-13 02:39:40,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:40,661 INFO L470 AbstractCegarLoop]: Abstraction has 33058 states and 49216 transitions. [2021-11-13 02:39:40,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-13 02:39:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 33058 states and 49216 transitions. [2021-11-13 02:39:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-13 02:39:40,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:40,668 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:40,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:40,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:40,899 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)] === [2021-11-13 02:39:40,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1403309292, now seen corresponding path program 1 times [2021-11-13 02:39:40,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:40,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725245635] [2021-11-13 02:39:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:40,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:40,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:40,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:39:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:44,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:44,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-13 02:39:44,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 02:39:45,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:45,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1725245635] [2021-11-13 02:39:45,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1725245635] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:45,448 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:45,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:39:45,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531062296] [2021-11-13 02:39:45,448 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:45,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:39:45,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:45,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:39:45,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:45,450 INFO L87 Difference]: Start difference. First operand 33058 states and 49216 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:39:47,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:39:49,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:49,962 INFO L93 Difference]: Finished difference Result 98714 states and 147020 transitions. [2021-11-13 02:39:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:39:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 207 [2021-11-13 02:39:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:50,474 INFO L225 Difference]: With dead ends: 98714 [2021-11-13 02:39:50,474 INFO L226 Difference]: Without dead ends: 65691 [2021-11-13 02:39:50,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:39:50,664 INFO L933 BasicCegarLoop]: 6640 mSDtfsCounter, 5552 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2278.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.30ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2346.84ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:50,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5552 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 21.30ms Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2346.84ms Time] [2021-11-13 02:39:50,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65691 states. [2021-11-13 02:39:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65691 to 65647. [2021-11-13 02:39:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65647 states, 46773 states have (on average 1.3552263057746992) internal successors, (63388), 47615 states have internal predecessors, (63388), 16206 states have call successors, (16206), 2690 states have call predecessors, (16206), 2665 states have return successors, (18162), 15881 states have call predecessors, (18162), 16203 states have call successors, (18162) [2021-11-13 02:39:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65647 states to 65647 states and 97756 transitions. [2021-11-13 02:39:54,960 INFO L78 Accepts]: Start accepts. Automaton has 65647 states and 97756 transitions. Word has length 207 [2021-11-13 02:39:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:54,961 INFO L470 AbstractCegarLoop]: Abstraction has 65647 states and 97756 transitions. [2021-11-13 02:39:54,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:39:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 65647 states and 97756 transitions. [2021-11-13 02:39:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-13 02:39:55,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:55,132 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:55,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 02:39:55,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:39:55,334 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)] === [2021-11-13 02:39:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:55,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2110405903, now seen corresponding path program 1 times [2021-11-13 02:39:55,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:55,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077434431] [2021-11-13 02:39:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:55,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:55,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:55,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:55,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:39:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:59,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:59,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-13 02:39:59,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 02:40:00,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:00,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077434431] [2021-11-13 02:40:00,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077434431] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:00,031 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:00,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:40:00,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98913406] [2021-11-13 02:40:00,031 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:00,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:40:00,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:00,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:40:00,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:00,033 INFO L87 Difference]: Start difference. First operand 65647 states and 97756 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:40:02,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:40:06,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:06,180 INFO L93 Difference]: Finished difference Result 196091 states and 292136 transitions. [2021-11-13 02:40:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:40:06,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 205 [2021-11-13 02:40:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:07,107 INFO L225 Difference]: With dead ends: 196091 [2021-11-13 02:40:07,107 INFO L226 Difference]: Without dead ends: 130479 [2021-11-13 02:40:07,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:07,442 INFO L933 BasicCegarLoop]: 6641 mSDtfsCounter, 5554 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2386.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5554 SdHoareTripleChecker+Valid, 12283 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.86ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2448.59ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:07,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5554 Valid, 12283 Invalid, 47 Unknown, 0 Unchecked, 17.86ms Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2448.59ms Time] [2021-11-13 02:40:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130479 states. [2021-11-13 02:40:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130479 to 130423. [2021-11-13 02:40:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130423 states, 92889 states have (on average 1.355402684925018) internal successors, (125902), 94571 states have internal predecessors, (125902), 32202 states have call successors, (32202), 5378 states have call predecessors, (32202), 5329 states have return successors, (36171), 31553 states have call predecessors, (36171), 32199 states have call successors, (36171) [2021-11-13 02:40:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130423 states to 130423 states and 194275 transitions. [2021-11-13 02:40:14,779 INFO L78 Accepts]: Start accepts. Automaton has 130423 states and 194275 transitions. Word has length 205 [2021-11-13 02:40:14,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:14,780 INFO L470 AbstractCegarLoop]: Abstraction has 130423 states and 194275 transitions. [2021-11-13 02:40:14,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:40:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 130423 states and 194275 transitions. [2021-11-13 02:40:14,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-13 02:40:14,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:14,786 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:40:14,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-13 02:40:15,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:15,006 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)] === [2021-11-13 02:40:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash -949583327, now seen corresponding path program 1 times [2021-11-13 02:40:15,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:15,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497113885] [2021-11-13 02:40:15,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:15,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:15,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:15,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:15,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120eb1bf-5c4e-4aa9-ae71-2408dc851a59/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:40:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:19,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:40:19,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-13 02:40:19,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-13 02:40:20,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:20,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497113885] [2021-11-13 02:40:20,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497113885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:40:20,216 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:40:20,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:40:20,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804134193] [2021-11-13 02:40:20,216 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:20,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:40:20,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:20,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:40:20,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:20,218 INFO L87 Difference]: Start difference. First operand 130423 states and 194275 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-13 02:40:22,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:40:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:31,683 INFO L93 Difference]: Finished difference Result 389639 states and 580613 transitions. [2021-11-13 02:40:31,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:40:31,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 206 [2021-11-13 02:40:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:33,744 INFO L225 Difference]: With dead ends: 389639 [2021-11-13 02:40:33,744 INFO L226 Difference]: Without dead ends: 259251 [2021-11-13 02:40:34,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:40:34,384 INFO L933 BasicCegarLoop]: 6640 mSDtfsCounter, 5553 mSDsluCounter, 5642 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2324.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.36ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2394.01ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:34,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5553 Valid, 12282 Invalid, 47 Unknown, 0 Unchecked, 20.36ms Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2394.01ms Time] [2021-11-13 02:40:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259251 states.