./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI --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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:58:37,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:58:37,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:58:37,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:58:37,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:58:37,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:58:37,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:58:37,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:58:37,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:58:37,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:58:37,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:58:37,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:58:37,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:58:37,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:58:37,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:58:37,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:58:37,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:58:37,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:58:37,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:58:37,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:58:37,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:58:37,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:58:37,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:58:37,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:58:37,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:58:37,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:58:37,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:58:37,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:58:37,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:58:37,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:58:37,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:58:37,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:58:37,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:58:37,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:58:37,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:58:37,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:58:37,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:58:37,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:58:37,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:58:37,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:58:37,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:58:37,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:58:37,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:58:37,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:58:37,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:58:37,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:58:37,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:58:37,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:58:37,856 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:58:37,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:58:37,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:58:37,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:58:37,858 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:58:37,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:58:37,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:58:37,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:58:37,859 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:58:37,860 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:58:37,860 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:58:37,860 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:58:37,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:58:37,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:58:37,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:58:37,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:58:37,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:58:37,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:58:37,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:58:37,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:58:37,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:58:37,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:58:37,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:58:37,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:37,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:58:37,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:58:37,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:58:37,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:58:37,867 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:58:37,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:58:37,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:58:37,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:58:37,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-11-03 03:58:38,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:58:38,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:58:38,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:58:38,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:58:38,330 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:58:38,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 03:58:38,419 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/data/29de759e9/e7e701e9aaaf407b9fe358e4a8ea4d05/FLAG023ced318 [2022-11-03 03:58:39,890 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:58:39,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 03:58:39,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/data/29de759e9/e7e701e9aaaf407b9fe358e4a8ea4d05/FLAG023ced318 [2022-11-03 03:58:40,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/data/29de759e9/e7e701e9aaaf407b9fe358e4a8ea4d05 [2022-11-03 03:58:40,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:58:40,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:58:40,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:40,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:58:40,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:58:40,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:40" (1/1) ... [2022-11-03 03:58:40,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60bda684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:40, skipping insertion in model container [2022-11-03 03:58:40,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:58:40" (1/1) ... [2022-11-03 03:58:40,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:58:40,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:58:47,439 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-03 03:58:47,443 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-03 03:58:47,444 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-03 03:58:47,445 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-03 03:58:47,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:47,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:58:48,372 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-03 03:58:48,373 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-03 03:58:48,374 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-03 03:58:48,375 WARN L230 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_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-03 03:58:48,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:58:48,778 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:58:48,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48 WrapperNode [2022-11-03 03:58:48,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:58:48,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:48,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:58:48,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:58:48,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,494 INFO L138 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10313 [2022-11-03 03:58:49,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:58:49,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:58:49,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:58:49,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:58:49,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:49,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:50,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:50,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:50,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:50,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:58:50,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:58:50,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:58:50,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:58:50,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (1/1) ... [2022-11-03 03:58:50,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:58:50,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:58:50,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:58:50,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329c8f2a-09e8-4313-ad4e-d57813ee6ea0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:58:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-03 03:58:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-03 03:58:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:58:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:58:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 03:58:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 03:58:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-03 03:58:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-03 03:58:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 03:58:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 03:58:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-03 03:58:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-03 03:58:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:58:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:58:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:58:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:58:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 03:58:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 03:58:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 03:58:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 03:58:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:58:50,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:58:50,538 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-03 03:58:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-03 03:58:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:58:50,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:58:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 03:58:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 03:58:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:58:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:58:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:58:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:58:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-03 03:58:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-03 03:58:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:58:50,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:58:50,542 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-03 03:58:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-03 03:58:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-03 03:58:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-03 03:58:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-03 03:58:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-03 03:58:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:58:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:58:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:58:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:58:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:58:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:58:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 03:58:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 03:58:50,547 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 03:58:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 03:58:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:58:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:58:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:58:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:58:50,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 03:58:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 03:58:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 03:58:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 03:58:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:58:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:58:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:58:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-03 03:58:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-03 03:58:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-03 03:58:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-03 03:58:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 03:58:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 03:58:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-03 03:58:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-03 03:58:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:58:50,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:58:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-03 03:58:50,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-03 03:58:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:58:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-03 03:58:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-03 03:58:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-03 03:58:50,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-03 03:58:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-03 03:58:50,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-03 03:58:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:58:50,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:58:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:58:50,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:58:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-03 03:58:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-03 03:58:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:58:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:58:50,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:58:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:58:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:58:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:58:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:58:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:58:50,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 03:58:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 03:58:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 03:58:50,562 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 03:58:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 03:58:50,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 03:58:50,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 03:58:50,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 03:58:50,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:58:50,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:58:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-03 03:58:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-03 03:58:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 03:58:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 03:58:50,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:58:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 03:58:50,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 03:58:50,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 03:58:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 03:58:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 03:58:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 03:58:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 03:58:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 03:58:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:58:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 03:58:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 03:58:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:58:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:58:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:58:50,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:58:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:58:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-03 03:58:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-03 03:58:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 03:58:50,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 03:58:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:58:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:58:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:58:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 03:58:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 03:58:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:58:50,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:58:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 03:58:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 03:58:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-03 03:58:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-03 03:58:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-03 03:58:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-03 03:58:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 03:58:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 03:58:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 03:58:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 03:58:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:58:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:58:50,582 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-03 03:58:50,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-03 03:58:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 03:58:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 03:58:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-03 03:58:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-03 03:58:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-03 03:58:50,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-03 03:58:50,583 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-03 03:58:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-03 03:58:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-03 03:58:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-03 03:58:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-03 03:58:50,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-03 03:58:50,584 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:58:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:58:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:58:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:58:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-03 03:58:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-03 03:58:50,585 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-03 03:58:50,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-03 03:58:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-03 03:58:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-03 03:58:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-03 03:58:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-03 03:58:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:58:50,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:58:50,586 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 03:58:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 03:58:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 03:58:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 03:58:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:58:50,587 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:58:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:58:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:58:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:58:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:58:50,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 03:58:50,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 03:58:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:58:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:58:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 03:58:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 03:58:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 03:58:50,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 03:58:50,590 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-03 03:58:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-03 03:58:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 03:58:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 03:58:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 03:58:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 03:58:50,591 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-03 03:58:50,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-03 03:58:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-03 03:58:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-03 03:58:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 03:58:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 03:58:50,592 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 03:58:50,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 03:58:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 03:58:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 03:58:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-03 03:58:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-03 03:58:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-03 03:58:50,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-03 03:58:50,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:58:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:58:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:58:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:58:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-03 03:58:50,594 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-03 03:58:50,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 03:58:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 03:58:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-03 03:58:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-03 03:58:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 03:58:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 03:58:50,595 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 03:58:50,595 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 03:58:50,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:58:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 03:58:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 03:58:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-03 03:58:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-03 03:58:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-03 03:58:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-03 03:58:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:58:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:58:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:58:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-03 03:58:50,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-03 03:58:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 03:58:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 03:58:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-03 03:58:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-03 03:58:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:58:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:58:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:58:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 03:58:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 03:58:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-03 03:58:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-03 03:58:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:58:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:58:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 03:58:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 03:58:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-03 03:58:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-03 03:58:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:58:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:58:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:58:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:58:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:58:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:58:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-03 03:58:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-03 03:58:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-03 03:58:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-03 03:58:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-03 03:58:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-03 03:58:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-03 03:58:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-03 03:58:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-03 03:58:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-03 03:58:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-03 03:58:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-03 03:58:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 03:58:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 03:58:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:58:50,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:58:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-03 03:58:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-03 03:58:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 03:58:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 03:58:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 03:58:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 03:58:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-03 03:58:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-03 03:58:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:58:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:58:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-03 03:58:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-03 03:58:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-03 03:58:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-03 03:58:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 03:58:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 03:58:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:58:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:58:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-03 03:58:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-03 03:58:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-03 03:58:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-03 03:58:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:58:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:58:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:58:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-03 03:58:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-03 03:58:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 03:58:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 03:58:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 03:58:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 03:58:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-03 03:58:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-03 03:58:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:58:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:58:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-03 03:58:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-03 03:58:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-03 03:58:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-03 03:58:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 03:58:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 03:58:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-03 03:58:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-03 03:58:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:58:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:58:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 03:58:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 03:58:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 03:58:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 03:58:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-03 03:58:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-03 03:58:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-03 03:58:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-03 03:58:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-03 03:58:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-03 03:58:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 03:58:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 03:58:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:58:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:58:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-03 03:58:50,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-03 03:58:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:58:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:58:50,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:58:52,367 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:58:52,372 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:58:53,045 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:59:05,016 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 03:59:05,719 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:59:09,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:59:09,938 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:59:09,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:09 BoogieIcfgContainer [2022-11-03 03:59:09,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:59:09,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:59:09,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:59:09,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:59:09,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:58:40" (1/3) ... [2022-11-03 03:59:09,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f751b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:09, skipping insertion in model container [2022-11-03 03:59:09,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:58:48" (2/3) ... [2022-11-03 03:59:09,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f751b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:09, skipping insertion in model container [2022-11-03 03:59:09,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:09" (3/3) ... [2022-11-03 03:59:09,964 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-03 03:59:09,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:59:09,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 03:59:10,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:59:10,182 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3dcf75a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:59:10,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-03 03:59:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-11-03 03:59:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-03 03:59:10,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:10,262 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-11-03 03:59:10,263 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:59:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash 10522210, now seen corresponding path program 1 times [2022-11-03 03:59:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:10,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683854653] [2022-11-03 03:59:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:10,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-11-03 03:59:11,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:11,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683854653] [2022-11-03 03:59:11,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683854653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:11,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:11,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:59:11,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703935875] [2022-11-03 03:59:11,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:11,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:59:11,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:11,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:59:11,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:11,674 INFO L87 Difference]: Start difference. First operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 03:59:14,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:19,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:21,052 INFO L93 Difference]: Finished difference Result 9426 states and 13907 transitions. [2022-11-03 03:59:21,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:59:21,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 194 [2022-11-03 03:59:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:21,142 INFO L225 Difference]: With dead ends: 9426 [2022-11-03 03:59:21,143 INFO L226 Difference]: Without dead ends: 6247 [2022-11-03 03:59:21,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:21,179 INFO L413 NwaCegarLoop]: 5207 mSDtfsCounter, 4490 mSDsluCounter, 4607 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 9305 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:21,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 9305 Invalid, 1077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1066 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 03:59:21,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6247 states. [2022-11-03 03:59:21,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6247 to 6239. [2022-11-03 03:59:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6239 states, 3719 states have (on average 1.2635116966926594) internal successors, (4699), 3798 states have internal predecessors, (4699), 2196 states have call successors, (2196), 321 states have call predecessors, (2196), 320 states have return successors, (2192), 2175 states have call predecessors, (2192), 2192 states have call successors, (2192) [2022-11-03 03:59:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 9087 transitions. [2022-11-03 03:59:21,995 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 9087 transitions. Word has length 194 [2022-11-03 03:59:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:59:22,002 INFO L495 AbstractCegarLoop]: Abstraction has 6239 states and 9087 transitions. [2022-11-03 03:59:22,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 03:59:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 9087 transitions. [2022-11-03 03:59:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-03 03:59:22,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:22,015 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:59:22,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:59:22,016 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:59:22,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1355841023, now seen corresponding path program 1 times [2022-11-03 03:59:22,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:22,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208048995] [2022-11-03 03:59:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:22,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:22,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-03 03:59:22,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:22,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208048995] [2022-11-03 03:59:22,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208048995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:22,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:22,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:59:22,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481250697] [2022-11-03 03:59:22,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:22,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:59:22,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:22,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:59:22,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:22,559 INFO L87 Difference]: Start difference. First operand 6239 states and 9087 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 03:59:25,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:30,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:31,541 INFO L93 Difference]: Finished difference Result 18503 states and 27003 transitions. [2022-11-03 03:59:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:59:31,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2022-11-03 03:59:31,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:31,645 INFO L225 Difference]: With dead ends: 18503 [2022-11-03 03:59:31,645 INFO L226 Difference]: Without dead ends: 12299 [2022-11-03 03:59:31,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:31,687 INFO L413 NwaCegarLoop]: 5420 mSDtfsCounter, 4568 mSDsluCounter, 4539 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4568 SdHoareTripleChecker+Valid, 9450 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:31,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4568 Valid, 9450 Invalid, 1079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1074 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 03:59:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12299 states. [2022-11-03 03:59:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12299 to 12262. [2022-11-03 03:59:32,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12262 states, 7344 states have (on average 1.2657952069716776) internal successors, (9296), 7506 states have internal predecessors, (9296), 4283 states have call successors, (4283), 638 states have call predecessors, (4283), 631 states have return successors, (4339), 4221 states have call predecessors, (4339), 4279 states have call successors, (4339) [2022-11-03 03:59:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12262 states to 12262 states and 17918 transitions. [2022-11-03 03:59:33,046 INFO L78 Accepts]: Start accepts. Automaton has 12262 states and 17918 transitions. Word has length 193 [2022-11-03 03:59:33,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:59:33,047 INFO L495 AbstractCegarLoop]: Abstraction has 12262 states and 17918 transitions. [2022-11-03 03:59:33,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-03 03:59:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 12262 states and 17918 transitions. [2022-11-03 03:59:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-03 03:59:33,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:33,059 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:59:33,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:59:33,060 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:59:33,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:33,072 INFO L85 PathProgramCache]: Analyzing trace with hash -15535106, now seen corresponding path program 1 times [2022-11-03 03:59:33,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:33,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305594474] [2022-11-03 03:59:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:33,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:33,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-03 03:59:33,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:33,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305594474] [2022-11-03 03:59:33,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305594474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:33,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:33,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:59:33,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110660901] [2022-11-03 03:59:33,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:33,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:59:33,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:33,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:59:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:33,615 INFO L87 Difference]: Start difference. First operand 12262 states and 17918 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 03:59:36,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:42,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:44,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:44,087 INFO L93 Difference]: Finished difference Result 36502 states and 53688 transitions. [2022-11-03 03:59:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:59:44,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 210 [2022-11-03 03:59:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:44,275 INFO L225 Difference]: With dead ends: 36502 [2022-11-03 03:59:44,275 INFO L226 Difference]: Without dead ends: 24275 [2022-11-03 03:59:44,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:44,354 INFO L413 NwaCegarLoop]: 5618 mSDtfsCounter, 4598 mSDsluCounter, 4566 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 9679 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:44,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4598 Valid, 9679 Invalid, 1084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1077 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 03:59:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24275 states. [2022-11-03 03:59:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24275 to 24236. [2022-11-03 03:59:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24236 states, 14551 states have (on average 1.2665796165212013) internal successors, (18430), 14880 states have internal predecessors, (18430), 8438 states have call successors, (8438), 1266 states have call predecessors, (8438), 1243 states have return successors, (8892), 8289 states have call predecessors, (8892), 8434 states have call successors, (8892) [2022-11-03 03:59:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 35760 transitions. [2022-11-03 03:59:46,851 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 35760 transitions. Word has length 210 [2022-11-03 03:59:46,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:59:46,853 INFO L495 AbstractCegarLoop]: Abstraction has 24236 states and 35760 transitions. [2022-11-03 03:59:46,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 03:59:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 35760 transitions. [2022-11-03 03:59:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-03 03:59:46,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:46,864 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:59:46,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:59:46,865 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:59:46,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1217994552, now seen corresponding path program 1 times [2022-11-03 03:59:46,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:46,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414401773] [2022-11-03 03:59:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:46,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-03 03:59:47,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:47,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414401773] [2022-11-03 03:59:47,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414401773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:47,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:47,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:59:47,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139259256] [2022-11-03 03:59:47,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:47,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:59:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:47,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:59:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:47,254 INFO L87 Difference]: Start difference. First operand 24236 states and 35760 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 03:59:50,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:54,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:59:56,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:56,689 INFO L93 Difference]: Finished difference Result 66320 states and 97593 transitions. [2022-11-03 03:59:56,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:59:56,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-11-03 03:59:56,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:57,010 INFO L225 Difference]: With dead ends: 66320 [2022-11-03 03:59:57,010 INFO L226 Difference]: Without dead ends: 42119 [2022-11-03 03:59:57,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:59:57,273 INFO L413 NwaCegarLoop]: 4938 mSDtfsCounter, 3374 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 8990 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:57,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 8990 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1087 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-03 03:59:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42119 states. [2022-11-03 04:00:00,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42119 to 42080. [2022-11-03 04:00:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42080 states, 25171 states have (on average 1.2611338445035953) internal successors, (31744), 25764 states have internal predecessors, (31744), 14572 states have call successors, (14572), 2380 states have call predecessors, (14572), 2333 states have return successors, (15478), 14275 states have call predecessors, (15478), 14568 states have call successors, (15478) [2022-11-03 04:00:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42080 states to 42080 states and 61794 transitions. [2022-11-03 04:00:01,246 INFO L78 Accepts]: Start accepts. Automaton has 42080 states and 61794 transitions. Word has length 213 [2022-11-03 04:00:01,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:01,247 INFO L495 AbstractCegarLoop]: Abstraction has 42080 states and 61794 transitions. [2022-11-03 04:00:01,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:00:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 42080 states and 61794 transitions. [2022-11-03 04:00:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-03 04:00:01,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:01,463 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 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] [2022-11-03 04:00:01,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:00:01,464 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 04:00:01,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:01,464 INFO L85 PathProgramCache]: Analyzing trace with hash 565967350, now seen corresponding path program 1 times [2022-11-03 04:00:01,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:01,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155587383] [2022-11-03 04:00:01,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:01,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-11-03 04:00:01,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:01,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155587383] [2022-11-03 04:00:01,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155587383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:01,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:01,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:01,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001870732] [2022-11-03 04:00:01,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:01,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:01,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:01,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:01,834 INFO L87 Difference]: Start difference. First operand 42080 states and 61794 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:00:09,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:11,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:11,607 INFO L93 Difference]: Finished difference Result 95063 states and 139483 transitions. [2022-11-03 04:00:11,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:11,609 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-11-03 04:00:11,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:12,085 INFO L225 Difference]: With dead ends: 95063 [2022-11-03 04:00:12,085 INFO L226 Difference]: Without dead ends: 53018 [2022-11-03 04:00:12,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:12,575 INFO L413 NwaCegarLoop]: 5286 mSDtfsCounter, 4564 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4564 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:12,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4564 Valid, 9396 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1054 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 04:00:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53018 states. [2022-11-03 04:00:15,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53018 to 52971. [2022-11-03 04:00:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52971 states, 31639 states have (on average 1.2608489522424855) internal successors, (39892), 32403 states have internal predecessors, (39892), 18362 states have call successors, (18362), 3022 states have call predecessors, (18362), 2966 states have return successors, (19405), 17975 states have call predecessors, (19405), 18358 states have call successors, (19405) [2022-11-03 04:00:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52971 states to 52971 states and 77659 transitions. [2022-11-03 04:00:16,714 INFO L78 Accepts]: Start accepts. Automaton has 52971 states and 77659 transitions. Word has length 213 [2022-11-03 04:00:16,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:16,715 INFO L495 AbstractCegarLoop]: Abstraction has 52971 states and 77659 transitions. [2022-11-03 04:00:16,716 INFO L496 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 04:00:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 52971 states and 77659 transitions. [2022-11-03 04:00:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-03 04:00:16,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:16,725 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:16,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:00:16,726 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 04:00:16,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1958527796, now seen corresponding path program 1 times [2022-11-03 04:00:16,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:16,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834062062] [2022-11-03 04:00:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-11-03 04:00:17,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:17,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834062062] [2022-11-03 04:00:17,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834062062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:17,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:17,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:00:17,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870354158] [2022-11-03 04:00:17,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:17,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:00:17,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:00:17,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:17,084 INFO L87 Difference]: Start difference. First operand 52971 states and 77659 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 04:00:21,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:22,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:28,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:00:30,904 INFO L93 Difference]: Finished difference Result 155119 states and 226508 transitions. [2022-11-03 04:00:30,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:00:30,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 223 [2022-11-03 04:00:30,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:00:31,792 INFO L225 Difference]: With dead ends: 155119 [2022-11-03 04:00:31,793 INFO L226 Difference]: Without dead ends: 102183 [2022-11-03 04:00:32,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:00:32,151 INFO L413 NwaCegarLoop]: 5818 mSDtfsCounter, 4306 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 9871 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:00:32,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 9871 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1231 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 04:00:32,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102183 states. [2022-11-03 04:00:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102183 to 102112. [2022-11-03 04:00:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102112 states, 60879 states have (on average 1.2503326270142414) internal successors, (76119), 62274 states have internal predecessors, (76119), 35385 states have call successors, (35385), 5955 states have call predecessors, (35385), 5844 states have return successors, (36755), 34680 states have call predecessors, (36755), 35381 states have call successors, (36755) [2022-11-03 04:00:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102112 states to 102112 states and 148259 transitions. [2022-11-03 04:00:40,066 INFO L78 Accepts]: Start accepts. Automaton has 102112 states and 148259 transitions. Word has length 223 [2022-11-03 04:00:40,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:00:40,067 INFO L495 AbstractCegarLoop]: Abstraction has 102112 states and 148259 transitions. [2022-11-03 04:00:40,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-03 04:00:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 102112 states and 148259 transitions. [2022-11-03 04:00:40,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-03 04:00:40,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:00:40,079 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:00:40,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:00:40,079 INFO L420 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 04:00:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:00:40,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2099736484, now seen corresponding path program 1 times [2022-11-03 04:00:40,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:00:40,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799159117] [2022-11-03 04:00:40,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:00:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:00:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:00:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1271 trivial. 0 not checked. [2022-11-03 04:00:40,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:00:40,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799159117] [2022-11-03 04:00:40,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799159117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:00:40,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:00:40,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:00:40,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424167930] [2022-11-03 04:00:40,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:00:40,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:00:40,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:00:40,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:00:40,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:00:40,884 INFO L87 Difference]: Start difference. First operand 102112 states and 148259 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 04:00:46,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:51,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:00:58,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []