./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-natsemi-natsemi.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_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/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_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/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_102ae282-6761-44a5-babf-7befaab28aeb/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 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:09:54,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:09:54,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:09:54,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:09:54,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:09:54,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:09:54,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:09:54,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:09:54,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:09:54,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:09:54,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:09:54,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:09:54,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:09:54,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:09:54,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:09:54,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:09:54,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:09:54,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:09:54,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:09:54,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:09:54,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:09:54,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:09:54,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:09:54,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:09:54,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:09:54,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:09:54,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:09:54,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:09:54,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:09:54,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:09:54,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:09:54,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:09:54,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:09:54,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:09:54,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:09:54,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:09:54,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:09:54,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:09:54,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:09:54,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:09:54,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:09:54,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:09:54,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:09:54,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:09:54,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:09:54,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:09:54,224 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:09:54,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:09:54,225 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:09:54,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:09:54,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:09:54,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:09:54,233 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:09:54,233 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:09:54,233 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:09:54,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:09:54,234 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:09:54,234 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:09:54,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:09:54,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:09:54,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:09:54,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:09:54,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:09:54,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:09:54,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:09:54,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:09:54,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:09:54,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:09:54,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:09:54,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:09:54,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:09:54,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:09:54,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:09:54,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:09:54,241 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_102ae282-6761-44a5-babf-7befaab28aeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b [2021-11-12 23:09:54,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:09:54,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:09:54,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:09:54,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:09:54,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:09:54,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-11-12 23:09:54,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/2995d1968/3d8c8e69a2c44ac59acfe431fcb50416/FLAG3b1043d7b [2021-11-12 23:09:55,603 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:09:55,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-11-12 23:09:55,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/2995d1968/3d8c8e69a2c44ac59acfe431fcb50416/FLAG3b1043d7b [2021-11-12 23:09:55,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/2995d1968/3d8c8e69a2c44ac59acfe431fcb50416 [2021-11-12 23:09:55,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:09:55,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:09:55,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:09:55,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:09:55,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:09:55,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:55" (1/1) ... [2021-11-12 23:09:55,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414be362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:09:55, skipping insertion in model container [2021-11-12 23:09:55,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:09:55" (1/1) ... [2021-11-12 23:09:55,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:09:56,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:09:58,492 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,497 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,505 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,518 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,525 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,543 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,576 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,578 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,591 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,608 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,619 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,642 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,645 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,647 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,653 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,659 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,660 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,662 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,679 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,682 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,688 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,691 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,694 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,694 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,695 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,704 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,711 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,724 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,730 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,733 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,734 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,738 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,756 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,756 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,761 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,781 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,791 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,793 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,794 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,799 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,807 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,819 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,825 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,831 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,844 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,904 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,921 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,926 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,929 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,933 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,933 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,947 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,955 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,966 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,981 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,988 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,992 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:58,995 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,005 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,011 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,012 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,019 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,020 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,460 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,499 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,499 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:09:59,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:10:00,226 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-11-12 23:10:00,230 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-11-12 23:10:00,230 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-11-12 23:10:00,236 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-11-12 23:10:00,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:10:00,332 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:10:00,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@101ab2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:00, skipping insertion in model container [2021-11-12 23:10:00,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:10:00,334 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:10:00,336 INFO L158 Benchmark]: Toolchain (without parser) took 4356.28ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 51.6MB in the beginning and 45.6MB in the end (delta: 6.0MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-11-12 23:10:00,337 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:10:00,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4351.18ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-11-12 23:10:00,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4351.18ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6482]: 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_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/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_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/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_102ae282-6761-44a5-babf-7befaab28aeb/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 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:10:02,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:10:02,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:10:02,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:10:02,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:10:02,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:10:02,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:10:02,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:10:02,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:10:02,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:10:02,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:10:02,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:10:02,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:10:02,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:10:02,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:10:02,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:10:02,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:10:02,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:10:02,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:10:02,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:10:02,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:10:02,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:10:02,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:10:02,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:10:02,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:10:02,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:10:02,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:10:02,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:10:02,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:10:02,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:10:02,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:10:02,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:10:02,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:10:02,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:10:02,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:10:02,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:10:02,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:10:02,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:10:02,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:10:02,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:10:02,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:10:02,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:10:02,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:10:02,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:10:02,871 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:10:02,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:10:02,871 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:10:02,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:10:02,872 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:10:02,872 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:10:02,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:10:02,872 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:10:02,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:10:02,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:10:02,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:10:02,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:10:02,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:10:02,876 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:10:02,876 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:10:02,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:10:02,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:10:02,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:10:02,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:10:02,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:10:02,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:10:02,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:10:02,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:10:02,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:10:02,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:10:02,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:10:02,879 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:10:02,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:10:02,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:10:02,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:10:02,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:10:02,880 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_102ae282-6761-44a5-babf-7befaab28aeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b [2021-11-12 23:10:03,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:10:03,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:10:03,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:10:03,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:10:03,353 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:10:03,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-11-12 23:10:03,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/662a948a8/15c065f5572e4f01b049ea026fe5800a/FLAG70d62cc7d [2021-11-12 23:10:04,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:10:04,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-11-12 23:10:04,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/662a948a8/15c065f5572e4f01b049ea026fe5800a/FLAG70d62cc7d [2021-11-12 23:10:04,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/data/662a948a8/15c065f5572e4f01b049ea026fe5800a [2021-11-12 23:10:04,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:10:04,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:10:04,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:10:04,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:10:04,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:10:04,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:10:04" (1/1) ... [2021-11-12 23:10:04,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cd7b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:04, skipping insertion in model container [2021-11-12 23:10:04,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:10:04" (1/1) ... [2021-11-12 23:10:04,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:10:05,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:10:09,057 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-11-12 23:10:09,060 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-11-12 23:10:09,060 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-11-12 23:10:09,061 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-11-12 23:10:09,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:10:09,189 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:10:09,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:10:09,712 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-11-12 23:10:09,713 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-11-12 23:10:09,713 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-11-12 23:10:09,714 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-11-12 23:10:09,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:10:09,762 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:10:10,297 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-11-12 23:10:10,297 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-11-12 23:10:10,298 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-11-12 23:10:10,298 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_102ae282-6761-44a5-babf-7befaab28aeb/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-11-12 23:10:10,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:10:10,597 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:10:10,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10 WrapperNode [2021-11-12 23:10:10,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:10:10,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:10:10,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:10:10,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:10:10,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:10,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:10,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:10:10,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:10:10,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:10:10,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:10:11,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:10:11,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:10:11,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:10:11,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:10:11,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (1/1) ... [2021-11-12 23:10:11,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:10:11,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:10:11,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:10:11,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:10:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2021-11-12 23:10:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2021-11-12 23:10:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:10:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-12 23:10:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-12 23:10:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2021-11-12 23:10:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2021-11-12 23:10:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:10:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:10:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:10:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:10:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:10:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:10:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2021-11-12 23:10:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2021-11-12 23:10:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:10:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:10:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:10:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:10:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2021-11-12 23:10:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2021-11-12 23:10:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 23:10:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 23:10:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:10:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:10:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2021-11-12 23:10:11,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2021-11-12 23:10:11,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 23:10:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 23:10:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:10:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:10:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 23:10:11,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 23:10:11,354 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:10:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:10:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-11-12 23:10:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-11-12 23:10:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:10:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:10:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:10:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:10:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:10:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:10:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:10:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:10:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:10:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:10:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:10:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:10:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-11-12 23:10:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-11-12 23:10:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:10:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:10:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:10:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:10:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:10:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:10:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:10:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-12 23:10:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-12 23:10:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:10:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:10:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:10:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:10:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:10:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:10:11,360 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-12 23:10:11,360 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-12 23:10:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:10:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:10:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2021-11-12 23:10:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2021-11-12 23:10:11,361 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2021-11-12 23:10:11,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2021-11-12 23:10:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:10:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:10:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 23:10:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 23:10:11,362 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2021-11-12 23:10:11,362 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2021-11-12 23:10:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:10:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:10:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-12 23:10:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-12 23:10:11,363 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:10:11,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:10:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2021-11-12 23:10:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2021-11-12 23:10:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:10:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:10:11,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:10:11,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:10:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:10:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:10:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:10:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:10:11,365 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2021-11-12 23:10:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2021-11-12 23:10:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2021-11-12 23:10:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2021-11-12 23:10:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-12 23:10:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-12 23:10:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:10:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:10:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:10:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:10:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:10:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:10:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:10:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:10:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:10:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2021-11-12 23:10:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2021-11-12 23:10:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:10:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:10:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:10:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:10:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:10:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:10:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:10:11,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:10:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:10:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:10:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:10:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:10:11,370 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2021-11-12 23:10:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2021-11-12 23:10:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:10:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:10:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2021-11-12 23:10:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2021-11-12 23:10:11,371 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-12 23:10:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-12 23:10:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:10:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:10:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:10:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:10:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:10:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:10:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:10:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:10:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2021-11-12 23:10:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2021-11-12 23:10:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:10:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 23:10:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 23:10:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-12 23:10:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-12 23:10:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2021-11-12 23:10:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2021-11-12 23:10:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:10:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:10:11,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:10:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:10:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:10:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2021-11-12 23:10:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2021-11-12 23:10:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-12 23:10:11,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-12 23:10:11,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:10:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:10:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:10:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:10:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2021-11-12 23:10:11,377 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2021-11-12 23:10:11,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 23:10:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 23:10:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-12 23:10:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-12 23:10:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2021-11-12 23:10:11,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2021-11-12 23:10:11,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:10:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:10:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-11-12 23:10:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-11-12 23:10:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-12 23:10:11,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-11-12 23:10:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:10:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:10:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 23:10:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 23:10:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-11-12 23:10:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-11-12 23:10:11,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:10:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:10:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:10:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:10:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-12 23:10:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-12 23:10:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:10:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2021-11-12 23:10:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2021-11-12 23:10:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:10:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:10:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2021-11-12 23:10:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2021-11-12 23:10:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:10:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-11-12 23:10:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-11-12 23:10:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:10:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:10:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-12 23:10:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-11-12 23:10:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2021-11-12 23:10:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2021-11-12 23:10:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:10:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:10:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 23:10:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 23:10:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2021-11-12 23:10:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2021-11-12 23:10:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-12 23:10:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-12 23:10:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 23:10:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 23:10:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-12 23:10:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-12 23:10:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-12 23:10:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-12 23:10:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2021-11-12 23:10:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2021-11-12 23:10:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:10:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:10:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:10:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:10:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:10:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:10:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:10:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:10:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2021-11-12 23:10:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2021-11-12 23:10:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-11-12 23:10:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-11-12 23:10:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:10:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:10:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:10:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:10:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2021-11-12 23:10:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2021-11-12 23:10:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:10:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:10:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-11-12 23:10:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-11-12 23:10:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2021-11-12 23:10:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2021-11-12 23:10:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-12 23:10:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-12 23:10:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:10:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:10:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2021-11-12 23:10:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2021-11-12 23:10:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:10:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:10:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 23:10:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 23:10:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2021-11-12 23:10:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2021-11-12 23:10:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2021-11-12 23:10:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2021-11-12 23:10:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-11-12 23:10:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-11-12 23:10:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:10:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:10:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-12 23:10:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-12 23:10:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-12 23:10:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-12 23:10:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2021-11-12 23:10:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2021-11-12 23:10:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2021-11-12 23:10:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2021-11-12 23:10:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:10:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:10:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2021-11-12 23:10:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2021-11-12 23:10:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:10:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:10:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 23:10:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 23:10:16,367 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:10:45,507 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:10:45,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:10:45,606 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:10:45,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:45 BoogieIcfgContainer [2021-11-12 23:10:45,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:10:45,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:10:45,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:10:45,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:10:45,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:10:04" (1/3) ... [2021-11-12 23:10:45,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a073f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:45, skipping insertion in model container [2021-11-12 23:10:45,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:10:10" (2/3) ... [2021-11-12 23:10:45,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a073f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:45, skipping insertion in model container [2021-11-12 23:10:45,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:45" (3/3) ... [2021-11-12 23:10:45,620 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-11-12 23:10:45,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:10:45,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:10:45,682 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:10:45,688 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:10:45,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:10:45,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 2481 states, 1601 states have (on average 1.2692067457838851) internal successors, (2032), 1638 states have internal predecessors, (2032), 749 states have call successors, (749), 129 states have call predecessors, (749), 128 states have return successors, (743), 734 states have call predecessors, (743), 743 states have call successors, (743) [2021-11-12 23:10:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-12 23:10:45,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:45,779 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] [2021-11-12 23:10:45,780 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:10:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1573781145, now seen corresponding path program 1 times [2021-11-12 23:10:45,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:45,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633512880] [2021-11-12 23:10:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:45,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:45,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:45,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:10:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:48,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:10:48,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 23:10:48,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:10:49,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:49,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633512880] [2021-11-12 23:10:49,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633512880] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:49,207 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:49,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:10:49,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309243853] [2021-11-12 23:10:49,212 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:49,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:10:49,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:49,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:10:49,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:10:49,265 INFO L87 Difference]: Start difference. First operand has 2481 states, 1601 states have (on average 1.2692067457838851) internal successors, (2032), 1638 states have internal predecessors, (2032), 749 states have call successors, (749), 129 states have call predecessors, (749), 128 states have return successors, (743), 734 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-12 23:10:51,471 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 [] [2021-11-12 23:10:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:58,048 INFO L93 Difference]: Finished difference Result 9661 states and 14020 transitions. [2021-11-12 23:10:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:58,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 193 [2021-11-12 23:10:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:58,149 INFO L225 Difference]: With dead ends: 9661 [2021-11-12 23:10:58,149 INFO L226 Difference]: Without dead ends: 7198 [2021-11-12 23:10:58,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:10:58,184 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 6812 mSDsluCounter, 8563 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7261.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6812 SdHoareTripleChecker+Valid, 13508 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 73.59ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8039.94ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:58,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6812 Valid, 13508 Invalid, 1544 Unknown, 0 Unchecked, 73.59ms Time], IncrementalHoareTripleChecker [20 Valid, 1523 Invalid, 1 Unknown, 0 Unchecked, 8039.94ms Time] [2021-11-12 23:10:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7198 states. [2021-11-12 23:10:58,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7198 to 7172. [2021-11-12 23:10:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7172 states, 4657 states have (on average 1.266265836375349) internal successors, (5897), 4764 states have internal predecessors, (5897), 2135 states have call successors, (2135), 378 states have call predecessors, (2135), 377 states have return successors, (2131), 2104 states have call predecessors, (2131), 2131 states have call successors, (2131) [2021-11-12 23:10:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 10163 transitions. [2021-11-12 23:10:58,843 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 10163 transitions. Word has length 193 [2021-11-12 23:10:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:58,850 INFO L470 AbstractCegarLoop]: Abstraction has 7172 states and 10163 transitions. [2021-11-12 23:10:58,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-11-12 23:10:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 10163 transitions. [2021-11-12 23:10:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-12 23:10:58,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:58,863 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] [2021-11-12 23:10:58,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:59,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:59,080 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:10:59,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:59,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1629799473, now seen corresponding path program 1 times [2021-11-12 23:10:59,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:59,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740556463] [2021-11-12 23:10:59,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:59,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:59,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:59,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:11:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:01,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:01,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 23:11:02,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:11:02,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:02,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740556463] [2021-11-12 23:11:02,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740556463] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:02,516 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:02,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:11:02,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253897758] [2021-11-12 23:11:02,517 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:02,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:11:02,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:02,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:11:02,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:02,522 INFO L87 Difference]: Start difference. First operand 7172 states and 10163 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-12 23:11:04,710 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 [] [2021-11-12 23:11:05,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:05,531 INFO L93 Difference]: Finished difference Result 19769 states and 27935 transitions. [2021-11-12 23:11:05,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:11:05,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 202 [2021-11-12 23:11:05,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:05,655 INFO L225 Difference]: With dead ends: 19769 [2021-11-12 23:11:05,655 INFO L226 Difference]: Without dead ends: 12632 [2021-11-12 23:11:05,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:05,701 INFO L933 BasicCegarLoop]: 4088 mSDtfsCounter, 2627 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2362.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 7481 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.50ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2426.53ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:05,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2627 Valid, 7481 Invalid, 89 Unknown, 0 Unchecked, 19.50ms Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 2426.53ms Time] [2021-11-12 23:11:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2021-11-12 23:11:06,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 12601. [2021-11-12 23:11:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12601 states, 8070 states have (on average 1.2581164807930607) internal successors, (10153), 8270 states have internal predecessors, (10153), 3808 states have call successors, (3808), 727 states have call predecessors, (3808), 720 states have return successors, (3807), 3735 states have call predecessors, (3807), 3804 states have call successors, (3807) [2021-11-12 23:11:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12601 states to 12601 states and 17768 transitions. [2021-11-12 23:11:06,631 INFO L78 Accepts]: Start accepts. Automaton has 12601 states and 17768 transitions. Word has length 202 [2021-11-12 23:11:06,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:06,633 INFO L470 AbstractCegarLoop]: Abstraction has 12601 states and 17768 transitions. [2021-11-12 23:11:06,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-12 23:11:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12601 states and 17768 transitions. [2021-11-12 23:11:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-12 23:11:06,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:06,640 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] [2021-11-12 23:11:06,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:06,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:06,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:06,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:06,856 INFO L85 PathProgramCache]: Analyzing trace with hash -90392666, now seen corresponding path program 1 times [2021-11-12 23:11:06,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:06,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217113361] [2021-11-12 23:11:06,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:06,860 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:06,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:06,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:11:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:09,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:09,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 23:11:09,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:11:10,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:10,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217113361] [2021-11-12 23:11:10,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217113361] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:10,297 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:10,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:11:10,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783304698] [2021-11-12 23:11:10,298 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:10,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:11:10,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:10,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:11:10,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:10,299 INFO L87 Difference]: Start difference. First operand 12601 states and 17768 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 23:11:12,495 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 [] [2021-11-12 23:11:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:19,002 INFO L93 Difference]: Finished difference Result 32855 states and 46124 transitions. [2021-11-12 23:11:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:11:19,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 204 [2021-11-12 23:11:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:19,149 INFO L225 Difference]: With dead ends: 32855 [2021-11-12 23:11:19,149 INFO L226 Difference]: Without dead ends: 20289 [2021-11-12 23:11:19,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:19,222 INFO L933 BasicCegarLoop]: 5594 mSDtfsCounter, 5855 mSDsluCounter, 5430 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7149.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5855 SdHoareTripleChecker+Valid, 11024 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.12ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7819.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:19,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5855 Valid, 11024 Invalid, 1597 Unknown, 0 Unchecked, 40.12ms Time], IncrementalHoareTripleChecker [41 Valid, 1555 Invalid, 1 Unknown, 0 Unchecked, 7819.42ms Time] [2021-11-12 23:11:19,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20289 states. [2021-11-12 23:11:20,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20289 to 20235. [2021-11-12 23:11:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20235 states, 13029 states have (on average 1.256274464655768) internal successors, (16368), 13326 states have internal predecessors, (16368), 5943 states have call successors, (5943), 1273 states have call predecessors, (5943), 1260 states have return successors, (5941), 5837 states have call predecessors, (5941), 5939 states have call successors, (5941) [2021-11-12 23:11:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20235 states to 20235 states and 28252 transitions. [2021-11-12 23:11:20,507 INFO L78 Accepts]: Start accepts. Automaton has 20235 states and 28252 transitions. Word has length 204 [2021-11-12 23:11:20,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:20,509 INFO L470 AbstractCegarLoop]: Abstraction has 20235 states and 28252 transitions. [2021-11-12 23:11:20,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 23:11:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 20235 states and 28252 transitions. [2021-11-12 23:11:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-12 23:11:20,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:20,518 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:20,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:20,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:20,740 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:20,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:20,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1979846642, now seen corresponding path program 1 times [2021-11-12 23:11:20,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:20,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603791824] [2021-11-12 23:11:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:20,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:20,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:20,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:20,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:11:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:23,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:23,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2021-11-12 23:11:23,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-12 23:11:23,991 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:23,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603791824] [2021-11-12 23:11:23,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603791824] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:23,991 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:23,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:11:23,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132811671] [2021-11-12 23:11:23,991 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:23,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:11:23,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:23,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:11:23,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:23,993 INFO L87 Difference]: Start difference. First operand 20235 states and 28252 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 23:11:26,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:33,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:33,764 INFO L93 Difference]: Finished difference Result 72240 states and 100726 transitions. [2021-11-12 23:11:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:11:33,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 213 [2021-11-12 23:11:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:34,031 INFO L225 Difference]: With dead ends: 72240 [2021-11-12 23:11:34,031 INFO L226 Difference]: Without dead ends: 52040 [2021-11-12 23:11:34,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:11:34,112 INFO L933 BasicCegarLoop]: 4783 mSDtfsCounter, 8432 mSDsluCounter, 5140 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 1408 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7235.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8432 SdHoareTripleChecker+Valid, 9923 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.90ms SdHoareTripleChecker+Time, 1408 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8183.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:34,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8432 Valid, 9923 Invalid, 2715 Unknown, 0 Unchecked, 33.90ms Time], IncrementalHoareTripleChecker [1408 Valid, 1306 Invalid, 1 Unknown, 0 Unchecked, 8183.13ms Time] [2021-11-12 23:11:34,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52040 states. [2021-11-12 23:11:37,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52040 to 51966. [2021-11-12 23:11:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51966 states, 33953 states have (on average 1.2613318410744263) internal successors, (42826), 34657 states have internal predecessors, (42826), 14770 states have call successors, (14770), 3325 states have call predecessors, (14770), 3240 states have return successors, (14800), 14455 states have call predecessors, (14800), 14766 states have call successors, (14800) [2021-11-12 23:11:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51966 states to 51966 states and 72396 transitions. [2021-11-12 23:11:37,405 INFO L78 Accepts]: Start accepts. Automaton has 51966 states and 72396 transitions. Word has length 213 [2021-11-12 23:11:37,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:37,406 INFO L470 AbstractCegarLoop]: Abstraction has 51966 states and 72396 transitions. [2021-11-12 23:11:37,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 23:11:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 51966 states and 72396 transitions. [2021-11-12 23:11:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-12 23:11:37,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:37,411 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:37,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:37,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:37,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash -2057147560, now seen corresponding path program 1 times [2021-11-12 23:11:37,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:37,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726137450] [2021-11-12 23:11:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:37,970 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:37,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:37,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:38,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:11:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:40,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:40,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-11-12 23:11:40,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2021-11-12 23:11:41,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:41,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726137450] [2021-11-12 23:11:41,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726137450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:41,301 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:41,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:11:41,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938375939] [2021-11-12 23:11:41,302 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:41,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:11:41,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:41,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:11:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:41,305 INFO L87 Difference]: Start difference. First operand 51966 states and 72396 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:11:43,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:46,725 INFO L93 Difference]: Finished difference Result 153581 states and 213930 transitions. [2021-11-12 23:11:46,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:11:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 221 [2021-11-12 23:11:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:47,300 INFO L225 Difference]: With dead ends: 153581 [2021-11-12 23:11:47,300 INFO L226 Difference]: Without dead ends: 101650 [2021-11-12 23:11:47,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:47,484 INFO L933 BasicCegarLoop]: 4295 mSDtfsCounter, 3356 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2231.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 7761 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.00ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2273.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:47,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3356 Valid, 7761 Invalid, 35 Unknown, 0 Unchecked, 14.00ms Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2273.31ms Time] [2021-11-12 23:11:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101650 states. [2021-11-12 23:11:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101650 to 101589. [2021-11-12 23:11:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101589 states, 66304 states have (on average 1.2585666023166022) internal successors, (83448), 67746 states have internal predecessors, (83448), 28909 states have call successors, (28909), 6542 states have call predecessors, (28909), 6373 states have return successors, (28973), 28244 states have call predecessors, (28973), 28905 states have call successors, (28973) [2021-11-12 23:11:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101589 states to 101589 states and 141330 transitions. [2021-11-12 23:11:53,166 INFO L78 Accepts]: Start accepts. Automaton has 101589 states and 141330 transitions. Word has length 221 [2021-11-12 23:11:53,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:53,171 INFO L470 AbstractCegarLoop]: Abstraction has 101589 states and 141330 transitions. [2021-11-12 23:11:53,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-12 23:11:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 101589 states and 141330 transitions. [2021-11-12 23:11:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-12 23:11:53,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:53,178 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:53,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:53,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:53,392 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:53,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:53,392 INFO L85 PathProgramCache]: Analyzing trace with hash -735188445, now seen corresponding path program 1 times [2021-11-12 23:11:53,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:53,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507862771] [2021-11-12 23:11:53,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:53,395 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:53,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:53,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:11:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:55,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:11:55,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-11-12 23:11:56,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-11-12 23:11:57,916 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:57,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507862771] [2021-11-12 23:11:57,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507862771] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:57,916 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:57,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:11:57,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788443821] [2021-11-12 23:11:57,917 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:57,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:11:57,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:11:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:11:57,918 INFO L87 Difference]: Start difference. First operand 101589 states and 141330 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:12:01,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:01,512 INFO L93 Difference]: Finished difference Result 101595 states and 141335 transitions. [2021-11-12 23:12:01,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:01,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 249 [2021-11-12 23:12:01,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:02,049 INFO L225 Difference]: With dead ends: 101595 [2021-11-12 23:12:02,049 INFO L226 Difference]: Without dead ends: 101593 [2021-11-12 23:12:02,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:02,091 INFO L933 BasicCegarLoop]: 3491 mSDtfsCounter, 3386 mSDsluCounter, 13939 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 17430 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.18ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.57ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:02,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3397 Valid, 17430 Invalid, 37 Unknown, 0 Unchecked, 44.18ms Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 80.57ms Time] [2021-11-12 23:12:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101593 states. [2021-11-12 23:12:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101593 to 101593. [2021-11-12 23:12:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101593 states, 66307 states have (on average 1.258554903705491) internal successors, (83451), 67749 states have internal predecessors, (83451), 28909 states have call successors, (28909), 6543 states have call predecessors, (28909), 6374 states have return successors, (28973), 28244 states have call predecessors, (28973), 28905 states have call successors, (28973) [2021-11-12 23:12:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101593 states to 101593 states and 141333 transitions. [2021-11-12 23:12:07,755 INFO L78 Accepts]: Start accepts. Automaton has 101593 states and 141333 transitions. Word has length 249 [2021-11-12 23:12:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:07,757 INFO L470 AbstractCegarLoop]: Abstraction has 101593 states and 141333 transitions. [2021-11-12 23:12:07,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:12:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 101593 states and 141333 transitions. [2021-11-12 23:12:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-12 23:12:07,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:07,764 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:07,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:07,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:07,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:12:07,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1552181099, now seen corresponding path program 1 times [2021-11-12 23:12:07,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:07,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485721642] [2021-11-12 23:12:07,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:07,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:07,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:07,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:12:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:10,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:10,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-11-12 23:12:11,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-11-12 23:12:12,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:12,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485721642] [2021-11-12 23:12:12,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485721642] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:12:12,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:12:12,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:12:12,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212459532] [2021-11-12 23:12:12,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:12,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:12,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:12,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:12,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:12:12,473 INFO L87 Difference]: Start difference. First operand 101593 states and 141333 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:12:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:15,985 INFO L93 Difference]: Finished difference Result 101599 states and 141338 transitions. [2021-11-12 23:12:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:15,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 254 [2021-11-12 23:12:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:16,489 INFO L225 Difference]: With dead ends: 101599 [2021-11-12 23:12:16,490 INFO L226 Difference]: Without dead ends: 101597 [2021-11-12 23:12:16,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:16,539 INFO L933 BasicCegarLoop]: 3494 mSDtfsCounter, 3419 mSDsluCounter, 6969 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 10463 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.84ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:16,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3429 Valid, 10463 Invalid, 20 Unknown, 0 Unchecked, 17.84ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 38.63ms Time] [2021-11-12 23:12:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101597 states. [2021-11-12 23:12:21,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101597 to 101597. [2021-11-12 23:12:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101597 states, 66310 states have (on average 1.258543206152918) internal successors, (83454), 67752 states have internal predecessors, (83454), 28909 states have call successors, (28909), 6544 states have call predecessors, (28909), 6375 states have return successors, (28973), 28244 states have call predecessors, (28973), 28905 states have call successors, (28973) [2021-11-12 23:12:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101597 states to 101597 states and 141336 transitions. [2021-11-12 23:12:22,115 INFO L78 Accepts]: Start accepts. Automaton has 101597 states and 141336 transitions. Word has length 254 [2021-11-12 23:12:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:22,116 INFO L470 AbstractCegarLoop]: Abstraction has 101597 states and 141336 transitions. [2021-11-12 23:12:22,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-12 23:12:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 101597 states and 141336 transitions. [2021-11-12 23:12:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-12 23:12:22,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:22,121 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:22,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:22,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:22,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:12:22,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:22,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1655574243, now seen corresponding path program 1 times [2021-11-12 23:12:22,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:22,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252194043] [2021-11-12 23:12:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:22,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:22,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:22,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:22,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102ae282-6761-44a5-babf-7befaab28aeb/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:12:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:24,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:24,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2021-11-12 23:12:25,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2021-11-12 23:12:26,505 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:26,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252194043] [2021-11-12 23:12:26,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252194043] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:12:26,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:12:26,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:12:26,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205701130] [2021-11-12 23:12:26,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:26,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:26,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:26,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:26,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:12:26,507 INFO L87 Difference]: Start difference. First operand 101597 states and 141336 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)