./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-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS --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 fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad --- 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-8393723 [2022-11-19 07:36:24,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:36:24,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:36:24,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:36:24,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:36:24,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:36:24,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:36:24,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:36:24,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:36:24,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:36:24,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:36:24,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:36:24,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:36:24,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:36:24,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:36:24,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:36:24,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:36:24,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:36:24,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:36:25,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:36:25,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:36:25,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:36:25,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:36:25,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:36:25,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:36:25,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:36:25,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:36:25,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:36:25,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:36:25,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:36:25,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:36:25,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:36:25,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:36:25,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:36:25,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:36:25,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:36:25,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:36:25,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:36:25,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:36:25,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:36:25,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:36:25,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:36:25,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:36:25,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:36:25,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:36:25,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:36:25,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:36:25,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:36:25,060 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:36:25,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:36:25,060 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:36:25,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:36:25,061 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:36:25,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:36:25,061 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:36:25,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:36:25,062 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:36:25,062 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:36:25,063 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:36:25,063 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:36:25,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:36:25,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:36:25,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:36:25,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:36:25,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:36:25,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:36:25,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:36:25,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:36:25,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:36:25,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:36:25,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:36:25,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:25,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:36:25,068 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:36:25,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:36:25,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:36:25,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:36:25,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:36:25,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:36:25,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:36:25,070 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_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad [2022-11-19 07:36:25,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:36:25,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:36:25,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:36:25,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:36:25,443 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:36:25,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:36:25,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/data/385ab8f82/4a76847ef0d0435a9a5d197137c75a45/FLAG196f2b8da [2022-11-19 07:36:27,175 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:36:27,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:36:27,309 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/data/385ab8f82/4a76847ef0d0435a9a5d197137c75a45/FLAG196f2b8da [2022-11-19 07:36:27,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/data/385ab8f82/4a76847ef0d0435a9a5d197137c75a45 [2022-11-19 07:36:27,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:36:27,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:36:27,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:27,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:36:27,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:36:27,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:27" (1/1) ... [2022-11-19 07:36:27,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d8838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:27, skipping insertion in model container [2022-11-19 07:36:27,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:27" (1/1) ... [2022-11-19 07:36:27,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:36:27,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:36:40,374 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-19 07:36:40,380 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-19 07:36:40,383 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-19 07:36:40,384 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-19 07:36:40,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:40,619 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:36:41,956 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[947955,947968] [2022-11-19 07:36:41,957 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948124,948137] [2022-11-19 07:36:41,957 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948291,948304] [2022-11-19 07:36:41,958 WARN L234 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_ac703877-9d22-4a9f-8010-16d4a056f303/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[948459,948472] [2022-11-19 07:36:41,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:43,033 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:36:43,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43 WrapperNode [2022-11-19 07:36:43,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:43,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:43,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:36:43,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:36:43,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:43,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:44,709 INFO L138 Inliner]: procedures = 870, calls = 16507, calls flagged for inlining = 430, calls inlined = 363, statements flattened = 29359 [2022-11-19 07:36:44,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:44,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:36:44,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:36:44,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:36:44,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:44,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:45,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:45,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:36:46,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:36:46,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:36:46,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:36:46,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (1/1) ... [2022-11-19 07:36:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:46,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:36:47,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac703877-9d22-4a9f-8010-16d4a056f303/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:36:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-19 07:36:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-19 07:36:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 07:36:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 07:36:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-19 07:36:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-19 07:36:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-19 07:36:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-19 07:36:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 07:36:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 07:36:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-19 07:36:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-19 07:36:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-19 07:36:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-19 07:36:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:36:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:36:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 07:36:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 07:36:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:36:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:36:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-19 07:36:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-19 07:36:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:36:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:36:47,052 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:36:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:36:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-19 07:36:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-19 07:36:47,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 07:36:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 07:36:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-19 07:36:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-19 07:36:47,054 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-19 07:36:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-19 07:36:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 07:36:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 07:36:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:36:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:36:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:36:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:36:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:36:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:36:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:36:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:36:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-19 07:36:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-19 07:36:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-19 07:36:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-19 07:36:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-19 07:36:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-19 07:36:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 07:36:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 07:36:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:36:47,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:36:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:36:47,062 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:36:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-19 07:36:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-19 07:36:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-19 07:36:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-19 07:36:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 07:36:47,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 07:36:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-19 07:36:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-19 07:36:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:36:47,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:36:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-19 07:36:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-19 07:36:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:36:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:36:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-19 07:36:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-19 07:36:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:36:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-19 07:36:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-19 07:36:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-19 07:36:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-19 07:36:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-19 07:36:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-19 07:36:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 07:36:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 07:36:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:36:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:36:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-19 07:36:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-19 07:36:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:36:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:36:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-19 07:36:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-19 07:36:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 07:36:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 07:36:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-19 07:36:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-19 07:36:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 07:36:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 07:36:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:36:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 07:36:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 07:36:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 07:36:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 07:36:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-19 07:36:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-19 07:36:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:36:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:36:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:36:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:36:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:36:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:36:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-19 07:36:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-19 07:36:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:36:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 07:36:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 07:36:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-19 07:36:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-19 07:36:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:36:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:36:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-19 07:36:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-19 07:36:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:36:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:36:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-19 07:36:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-19 07:36:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 07:36:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 07:36:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 07:36:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 07:36:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-19 07:36:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-19 07:36:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:36:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:36:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-19 07:36:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-19 07:36:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-19 07:36:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-19 07:36:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-19 07:36:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-19 07:36:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:36:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:36:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-19 07:36:47,098 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-19 07:36:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-19 07:36:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-19 07:36:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-19 07:36:47,099 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-19 07:36:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-19 07:36:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-19 07:36:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 07:36:47,100 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 07:36:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-19 07:36:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-19 07:36:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:36:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:36:47,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 07:36:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-19 07:36:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-19 07:36:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:36:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:36:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 07:36:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:36:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:36:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-19 07:36:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-19 07:36:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 07:36:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 07:36:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 07:36:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 07:36:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:36:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:36:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-19 07:36:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-19 07:36:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-19 07:36:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-19 07:36:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-19 07:36:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-19 07:36:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 07:36:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 07:36:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-19 07:36:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-19 07:36:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:36:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:36:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 07:36:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 07:36:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:36:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:36:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:36:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-19 07:36:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-19 07:36:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:36:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 07:36:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 07:36:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-19 07:36:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-19 07:36:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-19 07:36:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-19 07:36:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-19 07:36:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-19 07:36:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-19 07:36:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-19 07:36:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:36:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:36:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-19 07:36:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-19 07:36:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:36:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:36:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:36:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:36:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-19 07:36:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-19 07:36:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-19 07:36:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-19 07:36:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-19 07:36:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-19 07:36:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-19 07:36:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-19 07:36:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-19 07:36:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-19 07:36:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:36:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:36:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-19 07:36:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-19 07:36:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-19 07:36:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-19 07:36:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 07:36:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 07:36:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:36:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:36:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:36:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-19 07:36:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-19 07:36:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:36:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:36:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-19 07:36:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-19 07:36:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-19 07:36:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-19 07:36:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:36:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:36:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-19 07:36:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-19 07:36:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-19 07:36:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-19 07:36:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-19 07:36:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-19 07:36:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-19 07:36:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-19 07:36:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-19 07:36:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-19 07:36:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:36:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 07:36:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-19 07:36:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-19 07:36:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:36:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:36:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:36:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:36:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-19 07:36:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-19 07:36:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-19 07:36:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-19 07:36:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-19 07:36:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:36:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:36:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-19 07:36:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-19 07:36:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:36:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:36:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-19 07:36:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-19 07:36:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 07:36:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 07:36:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-19 07:36:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-19 07:36:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:36:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:36:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-19 07:36:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-19 07:36:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-19 07:36:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-19 07:36:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-19 07:36:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-19 07:36:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:36:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:36:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 07:36:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 07:36:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-19 07:36:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-19 07:36:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:36:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:36:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-19 07:36:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-19 07:36:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-19 07:36:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-19 07:36:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-19 07:36:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-19 07:36:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-19 07:36:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-19 07:36:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-19 07:36:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-19 07:36:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-19 07:36:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-19 07:36:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:36:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:36:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:36:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:36:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 07:36:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 07:36:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:36:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:36:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 07:36:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 07:36:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:36:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-19 07:36:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-19 07:36:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-19 07:36:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-19 07:36:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-19 07:36:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-19 07:36:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-19 07:36:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-19 07:36:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-19 07:36:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-19 07:36:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:36:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:36:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:36:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-19 07:36:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-19 07:36:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-19 07:36:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-19 07:36:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:36:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:36:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:36:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-19 07:36:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-19 07:36:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:36:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:36:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-19 07:36:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-19 07:36:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-19 07:36:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-19 07:36:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:36:47,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:36:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:36:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:36:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 07:36:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 07:36:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-19 07:36:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-19 07:36:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 07:36:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 07:36:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-19 07:36:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-19 07:36:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-19 07:36:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-19 07:36:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:36:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:36:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 07:36:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 07:36:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:36:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:36:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-19 07:36:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-19 07:36:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 07:36:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 07:36:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-19 07:36:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-19 07:36:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-19 07:36:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-19 07:36:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-19 07:36:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-19 07:36:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 07:36:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 07:36:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:36:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:36:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 07:36:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 07:36:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-19 07:36:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-19 07:36:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:36:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:36:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-19 07:36:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-19 07:36:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-19 07:36:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-19 07:36:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 07:36:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 07:36:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-19 07:36:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-19 07:36:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 07:36:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 07:36:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-19 07:36:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-19 07:36:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:36:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:36:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-19 07:36:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-19 07:36:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 07:36:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 07:36:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:36:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:36:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:36:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 07:36:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 07:36:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:36:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:36:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:36:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:36:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 07:36:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 07:36:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-19 07:36:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-19 07:36:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 07:36:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 07:36:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 07:36:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 07:36:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-19 07:36:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-19 07:36:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:36:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:36:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-19 07:36:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-19 07:36:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 07:36:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 07:36:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-19 07:36:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-19 07:36:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:36:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:36:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 07:36:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 07:36:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 07:36:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 07:36:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:36:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:36:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 07:36:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 07:36:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-19 07:36:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-19 07:36:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:36:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-19 07:36:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-19 07:36:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-19 07:36:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-19 07:36:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-19 07:36:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-19 07:36:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 07:36:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 07:36:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:36:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:36:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 07:36:47,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 07:36:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-19 07:36:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-19 07:36:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-19 07:36:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-19 07:36:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-19 07:36:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-19 07:36:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-19 07:36:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-19 07:36:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-19 07:36:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-19 07:36:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:36:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:36:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:36:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:36:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 07:36:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 07:36:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-19 07:36:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-19 07:36:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-19 07:36:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-19 07:36:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 07:36:47,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 07:36:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-19 07:36:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-19 07:36:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 07:36:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 07:36:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:36:47,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:36:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:36:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:36:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-19 07:36:47,280 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-19 07:36:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-19 07:36:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-19 07:36:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-19 07:36:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-19 07:36:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-19 07:36:47,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-19 07:36:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-19 07:36:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-19 07:36:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:36:47,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:36:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-19 07:36:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-19 07:36:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:36:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:36:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 07:36:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 07:36:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 07:36:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 07:36:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-19 07:36:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-19 07:36:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-19 07:36:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-19 07:36:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:36:47,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:36:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 07:36:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 07:36:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 07:36:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 07:36:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 07:36:47,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 07:36:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-19 07:36:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-19 07:36:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:36:47,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:36:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-19 07:36:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-19 07:36:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:36:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:36:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 07:36:47,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 07:36:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:36:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:36:47,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:36:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 07:36:50,288 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:36:50,294 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:36:52,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:38:02,152 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 07:38:02,793 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:38:17,663 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:38:17,664 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-19 07:38:17,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:17 BoogieIcfgContainer [2022-11-19 07:38:17,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:38:17,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:38:17,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:38:17,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:38:17,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:27" (1/3) ... [2022-11-19 07:38:17,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de4e25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:17, skipping insertion in model container [2022-11-19 07:38:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:43" (2/3) ... [2022-11-19 07:38:17,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de4e25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:17, skipping insertion in model container [2022-11-19 07:38:17,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:17" (3/3) ... [2022-11-19 07:38:17,696 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 07:38:17,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:38:17,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-19 07:38:17,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:38:17,965 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;@49dd635c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:38:17,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-19 07:38:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 6787 states, 4327 states have (on average 1.3413450427547955) internal successors, (5804), 4421 states have internal predecessors, (5804), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) [2022-11-19 07:38:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-19 07:38:18,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:18,026 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:18,027 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:38:18,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:18,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1789550265, now seen corresponding path program 1 times [2022-11-19 07:38:18,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:18,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030642807] [2022-11-19 07:38:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-19 07:38:20,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:20,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030642807] [2022-11-19 07:38:20,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030642807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:20,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:20,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118006285] [2022-11-19 07:38:20,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:20,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:20,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:20,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:20,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:20,914 INFO L87 Difference]: Start difference. First operand has 6787 states, 4327 states have (on average 1.3413450427547955) internal successors, (5804), 4421 states have internal predecessors, (5804), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 07:38:30,779 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 [] [2022-11-19 07:38:38,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:41,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:46,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:48,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:50,341 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 [] [2022-11-19 07:38:51,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:51,443 INFO L93 Difference]: Finished difference Result 19745 states and 30421 transitions. [2022-11-19 07:38:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:51,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2022-11-19 07:38:51,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:51,576 INFO L225 Difference]: With dead ends: 19745 [2022-11-19 07:38:51,577 INFO L226 Difference]: Without dead ends: 12995 [2022-11-19 07:38:51,713 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 [2022-11-19 07:38:51,720 INFO L413 NwaCegarLoop]: 11334 mSDtfsCounter, 9349 mSDsluCounter, 9256 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9350 SdHoareTripleChecker+Valid, 20590 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:51,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9350 Valid, 20590 Invalid, 1820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1808 Invalid, 5 Unknown, 0 Unchecked, 29.4s Time] [2022-11-19 07:38:51,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12995 states. [2022-11-19 07:38:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12995 to 12982. [2022-11-19 07:38:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12982 states, 8248 states have (on average 1.3353540252182348) internal successors, (11014), 8431 states have internal predecessors, (11014), 4237 states have call successors, (4237), 495 states have call predecessors, (4237), 494 states have return successors, (4234), 4216 states have call predecessors, (4234), 4233 states have call successors, (4234) [2022-11-19 07:38:53,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12982 states to 12982 states and 19485 transitions. [2022-11-19 07:38:53,802 INFO L78 Accepts]: Start accepts. Automaton has 12982 states and 19485 transitions. Word has length 251 [2022-11-19 07:38:53,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:53,809 INFO L495 AbstractCegarLoop]: Abstraction has 12982 states and 19485 transitions. [2022-11-19 07:38:53,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 07:38:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12982 states and 19485 transitions. [2022-11-19 07:38:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-19 07:38:53,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:53,833 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:53,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:38:53,834 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:38:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1467331134, now seen corresponding path program 1 times [2022-11-19 07:38:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:53,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710755469] [2022-11-19 07:38:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2073 trivial. 0 not checked. [2022-11-19 07:38:55,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:55,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710755469] [2022-11-19 07:38:55,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710755469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:55,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:55,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:38:55,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278110495] [2022-11-19 07:38:55,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:55,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:38:55,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:55,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:38:55,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:55,699 INFO L87 Difference]: Start difference. First operand 12982 states and 19485 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:38:59,681 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 [] [2022-11-19 07:39:08,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:15,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:17,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:20,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:21,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:23,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:28,493 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 [] [2022-11-19 07:39:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:29,553 INFO L93 Difference]: Finished difference Result 28385 states and 42467 transitions. [2022-11-19 07:39:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:39:29,554 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 277 [2022-11-19 07:39:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:29,681 INFO L225 Difference]: With dead ends: 28385 [2022-11-19 07:39:29,682 INFO L226 Difference]: Without dead ends: 15450 [2022-11-19 07:39:29,768 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 [2022-11-19 07:39:29,770 INFO L413 NwaCegarLoop]: 12730 mSDtfsCounter, 6496 mSDsluCounter, 9173 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6496 SdHoareTripleChecker+Valid, 21903 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:29,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6496 Valid, 21903 Invalid, 1997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1986 Invalid, 4 Unknown, 0 Unchecked, 32.8s Time] [2022-11-19 07:39:29,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15450 states. [2022-11-19 07:39:31,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15450 to 15412. [2022-11-19 07:39:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15412 states, 9772 states have (on average 1.3286942284076955) internal successors, (12984), 9974 states have internal predecessors, (12984), 5003 states have call successors, (5003), 636 states have call predecessors, (5003), 634 states have return successors, (4999), 4982 states have call predecessors, (4999), 4999 states have call successors, (4999) [2022-11-19 07:39:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15412 states to 15412 states and 22986 transitions. [2022-11-19 07:39:31,522 INFO L78 Accepts]: Start accepts. Automaton has 15412 states and 22986 transitions. Word has length 277 [2022-11-19 07:39:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:31,523 INFO L495 AbstractCegarLoop]: Abstraction has 15412 states and 22986 transitions. [2022-11-19 07:39:31,524 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:39:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15412 states and 22986 transitions. [2022-11-19 07:39:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-19 07:39:31,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:31,540 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:31,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:39:31,541 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:39:31,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:31,543 INFO L85 PathProgramCache]: Analyzing trace with hash 41933027, now seen corresponding path program 1 times [2022-11-19 07:39:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:31,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293085081] [2022-11-19 07:39:31,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-19 07:39:33,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:33,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293085081] [2022-11-19 07:39:33,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293085081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:33,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:39:33,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:39:33,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574520140] [2022-11-19 07:39:33,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:33,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:39:33,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:33,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:39:33,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:39:33,547 INFO L87 Difference]: Start difference. First operand 15412 states and 22986 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 07:39:38,158 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 [] [2022-11-19 07:39:53,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:55,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:58,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:00,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:02,868 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 [] [2022-11-19 07:40:06,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:06,259 INFO L93 Difference]: Finished difference Result 32445 states and 48473 transitions. [2022-11-19 07:40:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:40:06,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 290 [2022-11-19 07:40:06,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:06,379 INFO L225 Difference]: With dead ends: 32445 [2022-11-19 07:40:06,379 INFO L226 Difference]: Without dead ends: 17080 [2022-11-19 07:40:06,492 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 [2022-11-19 07:40:06,497 INFO L413 NwaCegarLoop]: 16217 mSDtfsCounter, 8635 mSDsluCounter, 9227 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 18 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8636 SdHoareTripleChecker+Valid, 25444 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:06,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8636 Valid, 25444 Invalid, 2519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 2496 Invalid, 5 Unknown, 0 Unchecked, 31.8s Time] [2022-11-19 07:40:06,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17080 states. [2022-11-19 07:40:08,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17080 to 17045. [2022-11-19 07:40:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17045 states, 10852 states have (on average 1.3296166605234059) internal successors, (14429), 11085 states have internal predecessors, (14429), 5517 states have call successors, (5517), 677 states have call predecessors, (5517), 673 states have return successors, (5514), 5480 states have call predecessors, (5514), 5513 states have call successors, (5514) [2022-11-19 07:40:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17045 states to 17045 states and 25460 transitions. [2022-11-19 07:40:08,223 INFO L78 Accepts]: Start accepts. Automaton has 17045 states and 25460 transitions. Word has length 290 [2022-11-19 07:40:08,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:08,224 INFO L495 AbstractCegarLoop]: Abstraction has 17045 states and 25460 transitions. [2022-11-19 07:40:08,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 07:40:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 17045 states and 25460 transitions. [2022-11-19 07:40:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-19 07:40:08,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:08,233 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:08,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:40:08,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:40:08,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash 698105311, now seen corresponding path program 1 times [2022-11-19 07:40:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:08,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955816976] [2022-11-19 07:40:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2022-11-19 07:40:11,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:11,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955816976] [2022-11-19 07:40:11,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955816976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:11,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:11,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:40:11,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302458268] [2022-11-19 07:40:11,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:11,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:40:11,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:11,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:40:11,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:40:11,598 INFO L87 Difference]: Start difference. First operand 17045 states and 25460 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 07:40:16,845 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 [] [2022-11-19 07:40:19,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:23,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:43,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:46,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:48,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:53,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:55,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:55,176 INFO L93 Difference]: Finished difference Result 21583 states and 32157 transitions. [2022-11-19 07:40:55,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:40:55,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 293 [2022-11-19 07:40:55,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:55,305 INFO L225 Difference]: With dead ends: 21583 [2022-11-19 07:40:55,305 INFO L226 Difference]: Without dead ends: 21581 [2022-11-19 07:40:55,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:40:55,321 INFO L413 NwaCegarLoop]: 11716 mSDtfsCounter, 6495 mSDsluCounter, 32617 mSDsCounter, 0 mSdLazyCounter, 3804 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6512 SdHoareTripleChecker+Valid, 44333 SdHoareTripleChecker+Invalid, 3811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3804 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:55,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6512 Valid, 44333 Invalid, 3811 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 3804 Invalid, 5 Unknown, 0 Unchecked, 42.5s Time] [2022-11-19 07:40:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21581 states. [2022-11-19 07:40:57,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21581 to 21569. [2022-11-19 07:40:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21569 states, 13696 states have (on average 1.326883761682243) internal successors, (18173), 13988 states have internal predecessors, (18173), 6988 states have call successors, (6988), 888 states have call predecessors, (6988), 882 states have return successors, (6981), 6940 states have call predecessors, (6981), 6980 states have call successors, (6981) [2022-11-19 07:40:57,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21569 states to 21569 states and 32142 transitions. [2022-11-19 07:40:57,696 INFO L78 Accepts]: Start accepts. Automaton has 21569 states and 32142 transitions. Word has length 293 [2022-11-19 07:40:57,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:57,698 INFO L495 AbstractCegarLoop]: Abstraction has 21569 states and 32142 transitions. [2022-11-19 07:40:57,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 07:40:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 21569 states and 32142 transitions. [2022-11-19 07:40:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-19 07:40:57,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:57,703 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:57,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:40:57,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:40:57,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:57,705 INFO L85 PathProgramCache]: Analyzing trace with hash -106398514, now seen corresponding path program 1 times [2022-11-19 07:40:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:57,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33534081] [2022-11-19 07:40:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:57,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2255 trivial. 0 not checked. [2022-11-19 07:41:01,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:01,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33534081] [2022-11-19 07:41:01,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33534081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:01,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:01,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:41:01,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259572576] [2022-11-19 07:41:01,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:01,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:41:01,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:01,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:41:01,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:41:01,195 INFO L87 Difference]: Start difference. First operand 21569 states and 32142 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-19 07:41:06,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:11,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:25,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:28,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:31,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:32,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:37,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:42,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:41:46,358 INFO L93 Difference]: Finished difference Result 38292 states and 57151 transitions. [2022-11-19 07:41:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:41:46,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2022-11-19 07:41:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:41:46,587 INFO L225 Difference]: With dead ends: 38292 [2022-11-19 07:41:46,588 INFO L226 Difference]: Without dead ends: 38290 [2022-11-19 07:41:46,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:41:46,611 INFO L413 NwaCegarLoop]: 11416 mSDtfsCounter, 9799 mSDsluCounter, 32009 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9816 SdHoareTripleChecker+Valid, 43425 SdHoareTripleChecker+Invalid, 3612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:41:46,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9816 Valid, 43425 Invalid, 3612 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 3604 Invalid, 5 Unknown, 0 Unchecked, 43.5s Time] [2022-11-19 07:41:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38290 states. [2022-11-19 07:41:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38290 to 38242. [2022-11-19 07:41:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38242 states, 24292 states have (on average 1.328338547670015) internal successors, (32268), 24818 states have internal predecessors, (32268), 12394 states have call successors, (12394), 1563 states have call predecessors, (12394), 1553 states have return successors, (12430), 12303 states have call predecessors, (12430), 12382 states have call successors, (12430) [2022-11-19 07:41:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38242 states to 38242 states and 57092 transitions. [2022-11-19 07:41:50,256 INFO L78 Accepts]: Start accepts. Automaton has 38242 states and 57092 transitions. Word has length 302 [2022-11-19 07:41:50,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:41:50,258 INFO L495 AbstractCegarLoop]: Abstraction has 38242 states and 57092 transitions. [2022-11-19 07:41:50,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-19 07:41:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 38242 states and 57092 transitions. [2022-11-19 07:41:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-19 07:41:50,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:41:50,264 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:41:50,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:41:50,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:41:50,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:41:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1207290751, now seen corresponding path program 1 times [2022-11-19 07:41:50,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:41:50,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882269826] [2022-11-19 07:41:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:41:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:41:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2022-11-19 07:41:53,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:53,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882269826] [2022-11-19 07:41:53,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882269826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:53,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:53,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:41:53,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143058392] [2022-11-19 07:41:53,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:53,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:41:53,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:53,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:41:53,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:41:53,382 INFO L87 Difference]: Start difference. First operand 38242 states and 57092 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 07:41:57,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:15,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:17,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:24,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:27,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:30,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:32,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:37,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:43,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:43,116 INFO L93 Difference]: Finished difference Result 38260 states and 57110 transitions. [2022-11-19 07:42:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:42:43,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 303 [2022-11-19 07:42:43,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:43,314 INFO L225 Difference]: With dead ends: 38260 [2022-11-19 07:42:43,314 INFO L226 Difference]: Without dead ends: 38258 [2022-11-19 07:42:43,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:42:43,340 INFO L413 NwaCegarLoop]: 12875 mSDtfsCounter, 6490 mSDsluCounter, 34929 mSDsCounter, 0 mSdLazyCounter, 4048 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 47804 SdHoareTripleChecker+Invalid, 4054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4048 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:43,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6505 Valid, 47804 Invalid, 4054 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 4048 Invalid, 4 Unknown, 0 Unchecked, 48.3s Time] [2022-11-19 07:42:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38258 states. [2022-11-19 07:42:45,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38258 to 38246. [2022-11-19 07:42:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38246 states, 24295 states have (on average 1.328298003704466) internal successors, (32271), 24821 states have internal predecessors, (32271), 12394 states have call successors, (12394), 1564 states have call predecessors, (12394), 1554 states have return successors, (12430), 12303 states have call predecessors, (12430), 12382 states have call successors, (12430) [2022-11-19 07:42:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38246 states to 38246 states and 57095 transitions. [2022-11-19 07:42:46,105 INFO L78 Accepts]: Start accepts. Automaton has 38246 states and 57095 transitions. Word has length 303 [2022-11-19 07:42:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:46,106 INFO L495 AbstractCegarLoop]: Abstraction has 38246 states and 57095 transitions. [2022-11-19 07:42:46,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 07:42:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 38246 states and 57095 transitions. [2022-11-19 07:42:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-19 07:42:46,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:46,111 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:42:46,111 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:42:46,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash -284671058, now seen corresponding path program 1 times [2022-11-19 07:42:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:46,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533940376] [2022-11-19 07:42:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:42:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2273 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-11-19 07:42:48,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:42:48,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533940376] [2022-11-19 07:42:48,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533940376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:42:48,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:42:48,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:42:48,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478854084] [2022-11-19 07:42:48,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:42:48,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:42:48,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:42:48,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:42:48,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:42:48,898 INFO L87 Difference]: Start difference. First operand 38246 states and 57095 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-19 07:42:53,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:55,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:07,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:14,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:17,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:20,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:22,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:24,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:26,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:36,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:43:41,993 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 [] [2022-11-19 07:43:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:43:42,514 INFO L93 Difference]: Finished difference Result 71776 states and 107246 transitions. [2022-11-19 07:43:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:43:42,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 312 [2022-11-19 07:43:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:43:42,875 INFO L225 Difference]: With dead ends: 71776 [2022-11-19 07:43:42,876 INFO L226 Difference]: Without dead ends: 71774 [2022-11-19 07:43:42,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:43:42,906 INFO L413 NwaCegarLoop]: 11438 mSDtfsCounter, 9988 mSDsluCounter, 32055 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10003 SdHoareTripleChecker+Valid, 43493 SdHoareTripleChecker+Invalid, 3622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:43:42,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10003 Valid, 43493 Invalid, 3622 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 3612 Invalid, 8 Unknown, 0 Unchecked, 51.2s Time] [2022-11-19 07:43:42,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71774 states. [2022-11-19 07:43:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71774 to 71765. [2022-11-19 07:43:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71765 states, 45603 states have (on average 1.3293204394447733) internal successors, (60621), 46595 states have internal predecessors, (60621), 23269 states have call successors, (23269), 2908 states have call predecessors, (23269), 2890 states have return successors, (23346), 23097 states have call predecessors, (23346), 23249 states have call successors, (23346) [2022-11-19 07:43:47,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71765 states to 71765 states and 107236 transitions. [2022-11-19 07:43:47,748 INFO L78 Accepts]: Start accepts. Automaton has 71765 states and 107236 transitions. Word has length 312 [2022-11-19 07:43:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:43:47,749 INFO L495 AbstractCegarLoop]: Abstraction has 71765 states and 107236 transitions. [2022-11-19 07:43:47,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-19 07:43:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 71765 states and 107236 transitions. [2022-11-19 07:43:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-11-19 07:43:47,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:43:47,754 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:43:47,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:43:47,755 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:43:47,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:43:47,756 INFO L85 PathProgramCache]: Analyzing trace with hash -874700285, now seen corresponding path program 1 times [2022-11-19 07:43:47,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:43:47,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762229204] [2022-11-19 07:43:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:43:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:43:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:43:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2286 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2022-11-19 07:43:50,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:43:50,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762229204] [2022-11-19 07:43:50,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762229204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:43:50,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:43:50,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:43:50,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970314646] [2022-11-19 07:43:50,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:43:50,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:43:50,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:43:50,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:43:50,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:43:50,297 INFO L87 Difference]: Start difference. First operand 71765 states and 107236 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:43:54,677 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 [] [2022-11-19 07:44:12,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:14,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:23,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:25,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:28,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:30,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:33,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:37,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:41,013 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 [] [2022-11-19 07:44:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:47,364 INFO L93 Difference]: Finished difference Result 136593 states and 204556 transitions. [2022-11-19 07:44:47,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:44:47,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 316 [2022-11-19 07:44:47,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:48,251 INFO L225 Difference]: With dead ends: 136593 [2022-11-19 07:44:48,251 INFO L226 Difference]: Without dead ends: 136591 [2022-11-19 07:44:48,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:44:48,297 INFO L413 NwaCegarLoop]: 15455 mSDtfsCounter, 9639 mSDsluCounter, 39892 mSDsCounter, 0 mSdLazyCounter, 5121 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9653 SdHoareTripleChecker+Valid, 55347 SdHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5121 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:48,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9653 Valid, 55347 Invalid, 5130 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5121 Invalid, 6 Unknown, 0 Unchecked, 52.5s Time] [2022-11-19 07:44:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136591 states. [2022-11-19 07:44:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136591 to 136463. [2022-11-19 07:44:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136463 states, 86338 states have (on average 1.325951492969492) internal successors, (114480), 88390 states have internal predecessors, (114480), 44622 states have call successors, (44622), 5555 states have call predecessors, (44622), 5500 states have return successors, (45285), 44140 states have call predecessors, (45285), 44586 states have call successors, (45285) [2022-11-19 07:44:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136463 states to 136463 states and 204387 transitions. [2022-11-19 07:44:58,719 INFO L78 Accepts]: Start accepts. Automaton has 136463 states and 204387 transitions. Word has length 316 [2022-11-19 07:44:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:58,720 INFO L495 AbstractCegarLoop]: Abstraction has 136463 states and 204387 transitions. [2022-11-19 07:44:58,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-19 07:44:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 136463 states and 204387 transitions. [2022-11-19 07:44:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-19 07:44:58,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:58,725 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:58,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:44:58,725 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:44:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash 894667138, now seen corresponding path program 1 times [2022-11-19 07:44:58,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:44:58,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516014176] [2022-11-19 07:44:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:44:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:45:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2297 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2287 trivial. 0 not checked. [2022-11-19 07:45:01,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:45:01,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516014176] [2022-11-19 07:45:01,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516014176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:45:01,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:45:01,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:45:01,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088246633] [2022-11-19 07:45:01,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:45:01,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:45:01,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:45:01,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:45:01,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:45:01,004 INFO L87 Difference]: Start difference. First operand 136463 states and 204387 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-19 07:45:05,560 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 [] [2022-11-19 07:45:22,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []