./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:05:05,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:05:05,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:05:05,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:05:05,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:05:05,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:05:05,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:05:05,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:05:05,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:05:05,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:05:05,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:05:05,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:05:05,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:05:05,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:05:05,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:05:05,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:05:05,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:05:05,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:05:05,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:05:05,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:05:05,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:05:05,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:05:05,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:05:05,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:05:05,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:05:05,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:05:05,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:05:05,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:05:05,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:05:05,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:05:05,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:05:05,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:05:05,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:05:05,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:05:05,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:05:05,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:05:05,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:05:05,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:05:05,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:05:05,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:05:05,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:05:05,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:05:05,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:05:05,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:05:05,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:05:05,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:05:05,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:05:05,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:05:05,973 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:05:05,974 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:05:05,974 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:05:05,974 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:05:05,975 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:05:05,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:05:05,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:05:05,976 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:05:05,977 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:05:05,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:05:05,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:05:05,977 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:05:05,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:05:05,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:05:05,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:05:05,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:05:05,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:05:05,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:05:05,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:05:05,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:05:05,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:05:05,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:05:05,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:05:05,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:05,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:05:05,983 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:05:05,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:05:05,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:05:05,983 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:05:05,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:05:05,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:05:05,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:05:05,985 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_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-11-03 04:05:06,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:05:06,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:05:06,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:05:06,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:05:06,357 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:05:06,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-03 04:05:06,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/data/419342db5/0d299ea9fa474e3ba37b63eea93990cd/FLAG59fc789d6 [2022-11-03 04:05:07,801 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:05:07,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-03 04:05:07,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/data/419342db5/0d299ea9fa474e3ba37b63eea93990cd/FLAG59fc789d6 [2022-11-03 04:05:07,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/data/419342db5/0d299ea9fa474e3ba37b63eea93990cd [2022-11-03 04:05:07,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:05:07,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:05:07,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:07,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:05:07,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:05:07,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:07" (1/1) ... [2022-11-03 04:05:07,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df7d113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:07, skipping insertion in model container [2022-11-03 04:05:07,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:05:07" (1/1) ... [2022-11-03 04:05:07,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:05:08,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:05:13,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-03 04:05:13,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-03 04:05:13,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-03 04:05:13,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-03 04:05:13,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:13,993 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:05:14,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-03 04:05:14,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-03 04:05:14,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-03 04:05:14,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-03 04:05:14,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:05:15,147 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:05:15,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15 WrapperNode [2022-11-03 04:05:15,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:05:15,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:15,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:05:15,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:05:15,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:15,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:15,737 INFO L138 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2022-11-03 04:05:15,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:05:15,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:05:15,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:05:15,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:05:15,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:15,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:15,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:15,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:05:16,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:05:16,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:05:16,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:05:16,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (1/1) ... [2022-11-03 04:05:16,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:05:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:05:16,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:05:16,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec535f21-200d-49ee-a272-a2d6524e7154/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:05:16,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-03 04:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-03 04:05:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:05:16,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-03 04:05:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-03 04:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 04:05:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 04:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:05:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:05:16,426 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-03 04:05:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-03 04:05:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-03 04:05:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-03 04:05:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-03 04:05:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-03 04:05:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-03 04:05:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-03 04:05:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-03 04:05:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-03 04:05:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 04:05:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 04:05:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 04:05:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 04:05:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-03 04:05:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-03 04:05:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 04:05:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 04:05:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 04:05:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 04:05:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-03 04:05:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-03 04:05:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-03 04:05:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-03 04:05:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-03 04:05:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-03 04:05:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 04:05:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 04:05:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-03 04:05:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-03 04:05:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-03 04:05:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-03 04:05:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 04:05:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 04:05:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 04:05:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 04:05:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 04:05:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 04:05:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 04:05:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 04:05:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-03 04:05:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-03 04:05:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-03 04:05:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-03 04:05:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 04:05:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 04:05:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-03 04:05:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-03 04:05:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 04:05:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 04:05:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:05:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 04:05:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 04:05:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-03 04:05:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-03 04:05:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-11-03 04:05:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-11-03 04:05:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 04:05:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 04:05:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 04:05:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 04:05:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-03 04:05:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-03 04:05:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-03 04:05:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-03 04:05:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-03 04:05:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 04:05:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 04:05:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 04:05:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 04:05:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:05:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-03 04:05:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-03 04:05:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-03 04:05:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-03 04:05:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 04:05:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 04:05:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-03 04:05:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-03 04:05:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 04:05:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 04:05:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:05:16,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-03 04:05:16,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-03 04:05:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 04:05:16,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 04:05:16,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:05:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 04:05:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 04:05:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 04:05:16,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 04:05:16,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 04:05:16,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 04:05:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-03 04:05:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-03 04:05:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-03 04:05:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-03 04:05:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 04:05:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 04:05:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 04:05:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 04:05:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-03 04:05:16,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-03 04:05:16,463 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-03 04:05:16,471 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-03 04:05:16,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 04:05:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 04:05:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 04:05:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 04:05:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:05:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 04:05:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 04:05:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 04:05:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 04:05:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 04:05:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 04:05:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-03 04:05:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-03 04:05:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 04:05:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 04:05:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-03 04:05:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-03 04:05:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:05:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 04:05:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 04:05:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 04:05:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 04:05:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 04:05:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 04:05:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:05:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 04:05:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-03 04:05:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-03 04:05:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-03 04:05:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-03 04:05:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-03 04:05:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-03 04:05:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:05:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 04:05:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:05:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 04:05:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-03 04:05:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-03 04:05:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-03 04:05:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-03 04:05:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-03 04:05:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-03 04:05:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-03 04:05:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-03 04:05:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-03 04:05:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-03 04:05:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 04:05:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 04:05:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 04:05:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 04:05:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 04:05:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 04:05:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 04:05:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 04:05:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-03 04:05:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-03 04:05:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 04:05:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 04:05:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 04:05:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 04:05:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-03 04:05:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-03 04:05:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 04:05:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 04:05:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-03 04:05:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-03 04:05:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:05:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:05:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 04:05:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 04:05:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 04:05:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 04:05:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:05:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:05:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:05:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:05:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-03 04:05:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-03 04:05:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 04:05:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 04:05:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 04:05:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 04:05:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 04:05:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 04:05:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 04:05:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 04:05:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 04:05:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-03 04:05:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-03 04:05:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 04:05:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 04:05:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 04:05:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 04:05:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-03 04:05:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-03 04:05:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 04:05:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 04:05:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-03 04:05:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-03 04:05:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-03 04:05:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-03 04:05:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:05:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:05:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-03 04:05:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-03 04:05:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-03 04:05:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-03 04:05:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 04:05:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 04:05:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 04:05:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 04:05:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 04:05:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 04:05:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 04:05:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 04:05:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 04:05:16,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 04:05:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 04:05:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 04:05:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:05:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 04:05:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 04:05:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-03 04:05:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-03 04:05:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-03 04:05:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-03 04:05:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 04:05:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 04:05:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-03 04:05:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-03 04:05:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 04:05:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 04:05:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:05:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-03 04:05:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-03 04:05:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:05:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-03 04:05:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-03 04:05:16,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 04:05:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 04:05:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 04:05:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 04:05:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-03 04:05:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-03 04:05:16,505 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 04:05:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 04:05:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 04:05:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 04:05:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 04:05:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 04:05:16,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 04:05:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 04:05:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 04:05:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 04:05:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 04:05:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 04:05:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-03 04:05:16,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-03 04:05:16,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-11-03 04:05:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-11-03 04:05:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-03 04:05:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-03 04:05:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 04:05:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 04:05:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 04:05:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 04:05:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-11-03 04:05:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-11-03 04:05:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-03 04:05:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-03 04:05:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 04:05:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 04:05:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-03 04:05:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-03 04:05:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:05:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:05:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-03 04:05:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-03 04:05:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:05:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:05:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:05:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-03 04:05:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-03 04:05:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 04:05:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 04:05:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-03 04:05:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-03 04:05:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-03 04:05:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-03 04:05:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-03 04:05:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-03 04:05:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 04:05:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 04:05:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-03 04:05:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-03 04:05:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 04:05:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 04:05:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 04:05:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 04:05:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-03 04:05:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-03 04:05:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-03 04:05:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-03 04:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-03 04:05:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-03 04:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-03 04:05:16,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-03 04:05:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-11-03 04:05:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-11-03 04:05:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-03 04:05:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-03 04:05:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 04:05:16,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 04:05:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 04:05:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 04:05:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 04:05:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 04:05:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 04:05:16,517 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 04:05:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 04:05:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 04:05:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-03 04:05:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-03 04:05:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-03 04:05:16,518 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-03 04:05:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-03 04:05:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-03 04:05:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 04:05:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 04:05:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 04:05:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 04:05:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 04:05:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 04:05:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:05:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 04:05:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 04:05:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-03 04:05:16,520 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-03 04:05:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-03 04:05:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-03 04:05:17,777 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:05:17,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:05:18,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:05:31,063 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 04:05:31,595 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:05:35,507 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:05:35,508 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-03 04:05:35,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:35 BoogieIcfgContainer [2022-11-03 04:05:35,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:05:35,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:05:35,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:05:35,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:05:35,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:05:07" (1/3) ... [2022-11-03 04:05:35,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666ec87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:35, skipping insertion in model container [2022-11-03 04:05:35,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:05:15" (2/3) ... [2022-11-03 04:05:35,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666ec87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:05:35, skipping insertion in model container [2022-11-03 04:05:35,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:05:35" (3/3) ... [2022-11-03 04:05:35,529 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-03 04:05:35,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:05:35,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 04:05:35,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:05:35,720 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;@4f75e398, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:05:35,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 04:05:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 2384 states, 1351 states have (on average 1.2672094744633604) internal successors, (1712), 1397 states have internal predecessors, (1712), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2022-11-03 04:05:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-03 04:05:35,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:35,786 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:35,787 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)] === [2022-11-03 04:05:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:35,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2025811816, now seen corresponding path program 1 times [2022-11-03 04:05:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:35,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020010585] [2022-11-03 04:05:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:35,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:05:37,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:37,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020010585] [2022-11-03 04:05:37,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020010585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:37,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:37,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:05:37,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521183027] [2022-11-03 04:05:37,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:37,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:05:37,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:37,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:05:37,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:37,331 INFO L87 Difference]: Start difference. First operand has 2384 states, 1351 states have (on average 1.2672094744633604) internal successors, (1712), 1397 states have internal predecessors, (1712), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:05:42,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:45,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:05:45,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:45,962 INFO L93 Difference]: Finished difference Result 6804 states and 10079 transitions. [2022-11-03 04:05:45,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:05:45,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 181 [2022-11-03 04:05:45,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:46,040 INFO L225 Difference]: With dead ends: 6804 [2022-11-03 04:05:46,042 INFO L226 Difference]: Without dead ends: 4440 [2022-11-03 04:05:46,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:05:46,081 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 3023 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 6643 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:46,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 6643 Invalid, 857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 849 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-03 04:05:46,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2022-11-03 04:05:46,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4435. [2022-11-03 04:05:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 2524 states have (on average 1.2591125198098256) internal successors, (3178), 2603 states have internal predecessors, (3178), 1587 states have call successors, (1587), 322 states have call predecessors, (1587), 321 states have return successors, (1583), 1561 states have call predecessors, (1583), 1583 states have call successors, (1583) [2022-11-03 04:05:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 6348 transitions. [2022-11-03 04:05:46,806 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 6348 transitions. Word has length 181 [2022-11-03 04:05:46,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:46,812 INFO L495 AbstractCegarLoop]: Abstraction has 4435 states and 6348 transitions. [2022-11-03 04:05:46,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:05:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 6348 transitions. [2022-11-03 04:05:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-03 04:05:46,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:05:46,829 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:46,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:05:46,830 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)] === [2022-11-03 04:05:46,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:05:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash -4101605, now seen corresponding path program 1 times [2022-11-03 04:05:46,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:05:46,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481757413] [2022-11-03 04:05:46,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:05:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:05:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:05:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:05:48,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:05:48,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481757413] [2022-11-03 04:05:48,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481757413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:05:48,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:05:48,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:05:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294356294] [2022-11-03 04:05:48,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:05:48,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:05:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:05:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:05:48,676 INFO L87 Difference]: Start difference. First operand 4435 states and 6348 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:05:54,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:00,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:09,619 INFO L93 Difference]: Finished difference Result 12000 states and 17055 transitions. [2022-11-03 04:06:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:06:09,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 182 [2022-11-03 04:06:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:09,683 INFO L225 Difference]: With dead ends: 12000 [2022-11-03 04:06:09,684 INFO L226 Difference]: Without dead ends: 7598 [2022-11-03 04:06:09,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:06:09,720 INFO L413 NwaCegarLoop]: 4320 mSDtfsCounter, 10925 mSDsluCounter, 6219 mSDsCounter, 0 mSdLazyCounter, 3475 mSolverCounterSat, 5639 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11069 SdHoareTripleChecker+Valid, 9619 SdHoareTripleChecker+Invalid, 9116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5639 IncrementalHoareTripleChecker+Valid, 3475 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:09,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11069 Valid, 9619 Invalid, 9116 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5639 Valid, 3475 Invalid, 2 Unknown, 0 Unchecked, 19.7s Time] [2022-11-03 04:06:09,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2022-11-03 04:06:10,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7516. [2022-11-03 04:06:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7516 states, 4253 states have (on average 1.2532330119915354) internal successors, (5330), 4396 states have internal predecessors, (5330), 2650 states have call successors, (2650), 613 states have call predecessors, (2650), 610 states have return successors, (2650), 2592 states have call predecessors, (2650), 2646 states have call successors, (2650) [2022-11-03 04:06:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7516 states to 7516 states and 10630 transitions. [2022-11-03 04:06:10,372 INFO L78 Accepts]: Start accepts. Automaton has 7516 states and 10630 transitions. Word has length 182 [2022-11-03 04:06:10,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:10,375 INFO L495 AbstractCegarLoop]: Abstraction has 7516 states and 10630 transitions. [2022-11-03 04:06:10,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:06:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states and 10630 transitions. [2022-11-03 04:06:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 04:06:10,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:10,388 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:10,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:06:10,388 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)] === [2022-11-03 04:06:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:10,400 INFO L85 PathProgramCache]: Analyzing trace with hash -96435328, now seen corresponding path program 1 times [2022-11-03 04:06:10,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:10,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574085163] [2022-11-03 04:06:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:06:11,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:11,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574085163] [2022-11-03 04:06:11,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574085163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:11,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:11,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:06:11,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881990197] [2022-11-03 04:06:11,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:11,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:06:11,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:11,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:06:11,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:11,250 INFO L87 Difference]: Start difference. First operand 7516 states and 10630 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:06:14,610 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 [] [2022-11-03 04:06:19,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:21,255 INFO L93 Difference]: Finished difference Result 22235 states and 31551 transitions. [2022-11-03 04:06:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:06:21,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-11-03 04:06:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:21,361 INFO L225 Difference]: With dead ends: 22235 [2022-11-03 04:06:21,361 INFO L226 Difference]: Without dead ends: 14752 [2022-11-03 04:06:21,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:21,400 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 3052 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 7068 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:21,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 7068 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 909 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 04:06:21,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14752 states. [2022-11-03 04:06:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14752 to 14712. [2022-11-03 04:06:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14712 states, 8338 states have (on average 1.252698488846246) internal successors, (10445), 8618 states have internal predecessors, (10445), 5168 states have call successors, (5168), 1208 states have call predecessors, (5168), 1203 states have return successors, (5288), 5056 states have call predecessors, (5288), 5164 states have call successors, (5288) [2022-11-03 04:06:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14712 states to 14712 states and 20901 transitions. [2022-11-03 04:06:22,782 INFO L78 Accepts]: Start accepts. Automaton has 14712 states and 20901 transitions. Word has length 192 [2022-11-03 04:06:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:22,785 INFO L495 AbstractCegarLoop]: Abstraction has 14712 states and 20901 transitions. [2022-11-03 04:06:22,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:06:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 14712 states and 20901 transitions. [2022-11-03 04:06:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 04:06:22,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:22,803 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:22,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:06:22,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 04:06:22,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:22,805 INFO L85 PathProgramCache]: Analyzing trace with hash -261673072, now seen corresponding path program 1 times [2022-11-03 04:06:22,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:22,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274555711] [2022-11-03 04:06:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:06:23,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:23,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274555711] [2022-11-03 04:06:23,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274555711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:23,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:23,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:06:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485152285] [2022-11-03 04:06:23,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:23,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:06:23,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:06:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:23,608 INFO L87 Difference]: Start difference. First operand 14712 states and 20901 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:06:26,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:28,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:30,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:33,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:35,234 INFO L93 Difference]: Finished difference Result 43737 states and 62487 transitions. [2022-11-03 04:06:35,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:06:35,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 192 [2022-11-03 04:06:35,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:35,433 INFO L225 Difference]: With dead ends: 43737 [2022-11-03 04:06:35,433 INFO L226 Difference]: Without dead ends: 29058 [2022-11-03 04:06:35,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:35,509 INFO L413 NwaCegarLoop]: 4142 mSDtfsCounter, 3057 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 7106 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:35,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 7106 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 932 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-03 04:06:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29058 states. [2022-11-03 04:06:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29058 to 29011. [2022-11-03 04:06:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29011 states, 16462 states have (on average 1.252156481593974) internal successors, (20613), 17015 states have internal predecessors, (20613), 10173 states have call successors, (10173), 2382 states have call predecessors, (10173), 2373 states have return successors, (10757), 9954 states have call predecessors, (10757), 10169 states have call successors, (10757) [2022-11-03 04:06:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29011 states to 29011 states and 41543 transitions. [2022-11-03 04:06:38,139 INFO L78 Accepts]: Start accepts. Automaton has 29011 states and 41543 transitions. Word has length 192 [2022-11-03 04:06:38,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:38,140 INFO L495 AbstractCegarLoop]: Abstraction has 29011 states and 41543 transitions. [2022-11-03 04:06:38,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:06:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 29011 states and 41543 transitions. [2022-11-03 04:06:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 04:06:38,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:38,148 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:38,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:06:38,149 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 04:06:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:38,150 INFO L85 PathProgramCache]: Analyzing trace with hash -461016, now seen corresponding path program 1 times [2022-11-03 04:06:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:38,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896084409] [2022-11-03 04:06:38,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:06:38,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:38,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896084409] [2022-11-03 04:06:38,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896084409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:38,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:38,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:06:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452315860] [2022-11-03 04:06:38,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:38,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:06:38,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:38,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:06:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:38,961 INFO L87 Difference]: Start difference. First operand 29011 states and 41543 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:06:43,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:46,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:48,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:06:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:06:50,640 INFO L93 Difference]: Finished difference Result 77042 states and 110205 transitions. [2022-11-03 04:06:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:06:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-11-03 04:06:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:06:51,051 INFO L225 Difference]: With dead ends: 77042 [2022-11-03 04:06:51,052 INFO L226 Difference]: Without dead ends: 48064 [2022-11-03 04:06:51,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:51,238 INFO L413 NwaCegarLoop]: 4177 mSDtfsCounter, 2770 mSDsluCounter, 3295 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 7075 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:06:51,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 7075 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 979 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-03 04:06:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48064 states. [2022-11-03 04:06:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48064 to 48010. [2022-11-03 04:06:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48010 states, 27350 states have (on average 1.2439122486288847) internal successors, (34021), 28242 states have internal predecessors, (34021), 16693 states have call successors, (16693), 3993 states have call predecessors, (16693), 3964 states have return successors, (17674), 16311 states have call predecessors, (17674), 16689 states have call successors, (17674) [2022-11-03 04:06:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48010 states to 48010 states and 68388 transitions. [2022-11-03 04:06:56,403 INFO L78 Accepts]: Start accepts. Automaton has 48010 states and 68388 transitions. Word has length 192 [2022-11-03 04:06:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:06:56,408 INFO L495 AbstractCegarLoop]: Abstraction has 48010 states and 68388 transitions. [2022-11-03 04:06:56,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:06:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48010 states and 68388 transitions. [2022-11-03 04:06:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-03 04:06:56,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:06:56,413 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:06:56,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:06:56,414 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 04:06:56,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:06:56,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1656578894, now seen corresponding path program 1 times [2022-11-03 04:06:56,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:06:56,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600558396] [2022-11-03 04:06:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:06:56,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:06:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:06:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-11-03 04:06:57,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:06:57,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600558396] [2022-11-03 04:06:57,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600558396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:06:57,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:06:57,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:06:57,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112633919] [2022-11-03 04:06:57,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:06:57,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:06:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:06:57,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:06:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:06:57,462 INFO L87 Difference]: Start difference. First operand 48010 states and 68388 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:07:02,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:05,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:09,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:09,085 INFO L93 Difference]: Finished difference Result 136205 states and 193102 transitions. [2022-11-03 04:07:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:07:09,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2022-11-03 04:07:09,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:09,964 INFO L225 Difference]: With dead ends: 136205 [2022-11-03 04:07:09,964 INFO L226 Difference]: Without dead ends: 88228 [2022-11-03 04:07:10,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:07:10,203 INFO L413 NwaCegarLoop]: 4807 mSDtfsCounter, 2867 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2867 SdHoareTripleChecker+Valid, 7689 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:10,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2867 Valid, 7689 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1125 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 04:07:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88228 states. [2022-11-03 04:07:15,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88228 to 88139. [2022-11-03 04:07:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88139 states, 49948 states have (on average 1.2269960759189558) internal successors, (61286), 51625 states have internal predecessors, (61286), 30653 states have call successors, (30653), 7584 states have call predecessors, (30653), 7535 states have return successors, (31938), 29923 states have call predecessors, (31938), 30649 states have call successors, (31938) [2022-11-03 04:07:16,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88139 states to 88139 states and 123877 transitions. [2022-11-03 04:07:16,258 INFO L78 Accepts]: Start accepts. Automaton has 88139 states and 123877 transitions. Word has length 193 [2022-11-03 04:07:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:07:16,259 INFO L495 AbstractCegarLoop]: Abstraction has 88139 states and 123877 transitions. [2022-11-03 04:07:16,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-03 04:07:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 88139 states and 123877 transitions. [2022-11-03 04:07:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-03 04:07:16,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:07:16,265 INFO L195 NwaCegarLoop]: trace histogram [18, 16, 16, 16, 16, 16, 16, 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] [2022-11-03 04:07:16,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:07:16,266 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-03 04:07:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:07:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash -286169342, now seen corresponding path program 1 times [2022-11-03 04:07:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:07:16,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793890436] [2022-11-03 04:07:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:07:16,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:07:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:07:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1034 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-11-03 04:07:17,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:07:17,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793890436] [2022-11-03 04:07:17,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793890436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:07:17,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:07:17,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:07:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742835299] [2022-11-03 04:07:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:07:17,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:07:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:07:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:07:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:07:17,919 INFO L87 Difference]: Start difference. First operand 88139 states and 123877 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 04:07:28,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:33,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:07:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:07:44,467 INFO L93 Difference]: Finished difference Result 302488 states and 425819 transitions. [2022-11-03 04:07:44,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 04:07:44,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 214 [2022-11-03 04:07:44,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:07:46,403 INFO L225 Difference]: With dead ends: 302488 [2022-11-03 04:07:46,403 INFO L226 Difference]: Without dead ends: 214382 [2022-11-03 04:07:46,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:07:46,866 INFO L413 NwaCegarLoop]: 5146 mSDtfsCounter, 12829 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 3924 mSolverCounterSat, 7232 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13058 SdHoareTripleChecker+Valid, 10611 SdHoareTripleChecker+Invalid, 11158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7232 IncrementalHoareTripleChecker+Valid, 3924 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:07:46,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13058 Valid, 10611 Invalid, 11158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7232 Valid, 3924 Invalid, 2 Unknown, 0 Unchecked, 16.7s Time] [2022-11-03 04:07:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214382 states.