./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:16:49,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:16:49,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:16:49,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:16:49,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:16:49,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:16:49,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:16:49,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:16:50,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:16:50,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:16:50,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:16:50,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:16:50,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:16:50,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:16:50,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:16:50,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:16:50,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:16:50,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:16:50,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:16:50,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:16:50,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:16:50,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:16:50,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:16:50,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:16:50,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:16:50,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:16:50,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:16:50,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:16:50,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:16:50,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:16:50,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:16:50,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:16:50,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:16:50,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:16:50,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:16:50,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:16:50,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:16:50,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:16:50,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:16:50,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:16:50,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:16:50,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:16:50,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:16:50,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:16:50,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:16:50,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:16:50,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:16:50,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:16:50,123 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:16:50,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:16:50,124 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:16:50,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:16:50,125 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:16:50,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:16:50,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:16:50,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:16:50,126 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:16:50,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:16:50,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:16:50,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:16:50,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:16:50,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:16:50,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:16:50,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:16:50,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:16:50,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:16:50,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:16:50,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:16:50,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:16:50,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:16:50,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:16:50,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:16:50,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:16:50,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:16:50,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:16:50,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:16:50,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:16:50,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:16:50,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:16:50,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:16:50,134 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_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-11-19 08:16:50,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:16:50,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:16:50,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:16:50,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:16:50,483 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:16:50,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-19 08:16:50,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/data/bb3f7b32f/612dc348047047e49288442ed48e3ea3/FLAG03a1d2812 [2022-11-19 08:16:51,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:16:51,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-19 08:16:51,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/data/bb3f7b32f/612dc348047047e49288442ed48e3ea3/FLAG03a1d2812 [2022-11-19 08:16:51,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/data/bb3f7b32f/612dc348047047e49288442ed48e3ea3 [2022-11-19 08:16:51,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:16:51,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:16:51,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:16:51,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:16:51,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:16:51,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:16:51" (1/1) ... [2022-11-19 08:16:51,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b51a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:51, skipping insertion in model container [2022-11-19 08:16:51,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:16:51" (1/1) ... [2022-11-19 08:16:51,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:16:52,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:16:57,575 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-19 08:16:57,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-19 08:16:57,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-19 08:16:57,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-19 08:16:57,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:57,644 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:16:58,284 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-11-19 08:16:58,286 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-11-19 08:16:58,286 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-11-19 08:16:58,287 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-11-19 08:16:58,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:58,726 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:16:58,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58 WrapperNode [2022-11-19 08:16:58,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:16:58,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:58,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:16:58,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:16:58,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:58,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,369 INFO L138 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10630 [2022-11-19 08:16:59,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:59,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:16:59,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:16:59,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:16:59,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,834 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:16:59,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:16:59,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:16:59,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:16:59,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (1/1) ... [2022-11-19 08:16:59,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:16:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:59,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:16:59,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1856195e-8ede-4fcd-95fa-e609552b3f97/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:17:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-19 08:17:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-19 08:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 08:17:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 08:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 08:17:00,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 08:17:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-19 08:17:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-19 08:17:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 08:17:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 08:17:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-19 08:17:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-19 08:17:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:17:00,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:17:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:17:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:17:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 08:17:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 08:17:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 08:17:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 08:17:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:17:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:17:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-19 08:17:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-19 08:17:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:17:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:17:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 08:17:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 08:17:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:17:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:17:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:17:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:17:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-19 08:17:00,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-19 08:17:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:17:00,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:17:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-19 08:17:00,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-19 08:17:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-19 08:17:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-19 08:17:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-19 08:17:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-19 08:17:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:17:00,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:17:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:17:00,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:17:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:17:00,012 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:17:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 08:17:00,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 08:17:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:17:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:17:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:17:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:17:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:17:00,013 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:17:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:17:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:17:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 08:17:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 08:17:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:17:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:17:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:17:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-19 08:17:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-19 08:17:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-19 08:17:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-19 08:17:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 08:17:00,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 08:17:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-19 08:17:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-19 08:17:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:17:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:17:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-19 08:17:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-19 08:17:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:17:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-19 08:17:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-19 08:17:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-19 08:17:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-19 08:17:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-19 08:17:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-19 08:17:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:17:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:17:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:17:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:17:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-19 08:17:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-19 08:17:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:17:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:17:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:17:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:17:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:17:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:17:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:17:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:17:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 08:17:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 08:17:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 08:17:00,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 08:17:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:17:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:17:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:17:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:17:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:17:00,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:17:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-19 08:17:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-19 08:17:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:17:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:17:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:17:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 08:17:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 08:17:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 08:17:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 08:17:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 08:17:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 08:17:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-19 08:17:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-19 08:17:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:17:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 08:17:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 08:17:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:17:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:17:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:17:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:17:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:17:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-19 08:17:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-19 08:17:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 08:17:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 08:17:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:17:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:17:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:17:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 08:17:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 08:17:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:17:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:17:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 08:17:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 08:17:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-19 08:17:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-19 08:17:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-19 08:17:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-19 08:17:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 08:17:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 08:17:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:17:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:17:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:17:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:17:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-19 08:17:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-19 08:17:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:17:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:17:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-19 08:17:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-19 08:17:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-19 08:17:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-19 08:17:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-19 08:17:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-19 08:17:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-19 08:17:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-19 08:17:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-19 08:17:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-19 08:17:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 08:17:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 08:17:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:17:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:17:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-19 08:17:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-19 08:17:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-19 08:17:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-19 08:17:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-19 08:17:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-19 08:17:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-19 08:17:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-19 08:17:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:17:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:17:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 08:17:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 08:17:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 08:17:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 08:17:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 08:17:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 08:17:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:17:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:17:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:17:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:17:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:17:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:17:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:17:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:17:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 08:17:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 08:17:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 08:17:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 08:17:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-19 08:17:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-19 08:17:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:17:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:17:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 08:17:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 08:17:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-19 08:17:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-19 08:17:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-19 08:17:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-19 08:17:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:17:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:17:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 08:17:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 08:17:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 08:17:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 08:17:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-19 08:17:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-19 08:17:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-19 08:17:00,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-19 08:17:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 08:17:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 08:17:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:17:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:17:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-19 08:17:00,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-19 08:17:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 08:17:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 08:17:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-19 08:17:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-19 08:17:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:17:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:17:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:17:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:17:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:17:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 08:17:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 08:17:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-19 08:17:00,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-19 08:17:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-19 08:17:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-19 08:17:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:17:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:17:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:17:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-19 08:17:00,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-19 08:17:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 08:17:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 08:17:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-19 08:17:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-19 08:17:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:17:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:17:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:17:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 08:17:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 08:17:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-19 08:17:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-19 08:17:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 08:17:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 08:17:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:17:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:17:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-19 08:17:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-19 08:17:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:17:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:17:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:17:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:17:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:17:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:17:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-19 08:17:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-19 08:17:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 08:17:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 08:17:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-19 08:17:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-19 08:17:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-19 08:17:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-19 08:17:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-19 08:17:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-19 08:17:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-19 08:17:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-19 08:17:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 08:17:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 08:17:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:17:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:17:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-19 08:17:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-19 08:17:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 08:17:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 08:17:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 08:17:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 08:17:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-19 08:17:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-19 08:17:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:17:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:17:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-19 08:17:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-19 08:17:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-19 08:17:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-19 08:17:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 08:17:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 08:17:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:17:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:17:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-19 08:17:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-19 08:17:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-19 08:17:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-19 08:17:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:17:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:17:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:17:00,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-19 08:17:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-19 08:17:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:17:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:17:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:17:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:17:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-19 08:17:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-19 08:17:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 08:17:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 08:17:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-19 08:17:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-19 08:17:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-19 08:17:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-19 08:17:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-19 08:17:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-19 08:17:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-19 08:17:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-19 08:17:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:17:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:17:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 08:17:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 08:17:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:17:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:17:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-19 08:17:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-19 08:17:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-19 08:17:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-19 08:17:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-19 08:17:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-19 08:17:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 08:17:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 08:17:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 08:17:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 08:17:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-19 08:17:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-19 08:17:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:17:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:17:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:17:01,454 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:17:01,458 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:17:02,327 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:17:13,590 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 08:17:14,378 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:17:20,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:17:20,141 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:17:20,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:17:20 BoogieIcfgContainer [2022-11-19 08:17:20,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:17:20,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:17:20,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:17:20,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:17:20,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:16:51" (1/3) ... [2022-11-19 08:17:20,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c67068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:17:20, skipping insertion in model container [2022-11-19 08:17:20,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:58" (2/3) ... [2022-11-19 08:17:20,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c67068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:17:20, skipping insertion in model container [2022-11-19 08:17:20,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:17:20" (3/3) ... [2022-11-19 08:17:20,159 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-19 08:17:20,180 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:17:20,180 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-19 08:17:20,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:17:20,299 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;@55523ad1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:17:20,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-19 08:17:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-11-19 08:17:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-19 08:17:20,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:20,342 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:20,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:17:20,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:20,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1123998673, now seen corresponding path program 1 times [2022-11-19 08:17:20,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:20,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149660989] [2022-11-19 08:17:20,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-11-19 08:17:21,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:21,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149660989] [2022-11-19 08:17:21,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149660989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:21,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:21,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:21,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62036702] [2022-11-19 08:17:21,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:21,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:21,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:21,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:21,356 INFO L87 Difference]: Start difference. First operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:17:24,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:29,505 INFO L93 Difference]: Finished difference Result 9442 states and 13929 transitions. [2022-11-19 08:17:29,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:29,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 195 [2022-11-19 08:17:29,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:29,557 INFO L225 Difference]: With dead ends: 9442 [2022-11-19 08:17:29,557 INFO L226 Difference]: Without dead ends: 6263 [2022-11-19 08:17:29,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:29,579 INFO L413 NwaCegarLoop]: 5252 mSDtfsCounter, 4512 mSDsluCounter, 4075 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 9327 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:29,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 9327 Invalid, 1144 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9 Valid, 1134 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-19 08:17:29,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-19 08:17:30,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6257. [2022-11-19 08:17:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 3728 states have (on average 1.2631437768240343) internal successors, (4709), 3806 states have internal predecessors, (4709), 2203 states have call successors, (2203), 323 states have call predecessors, (2203), 322 states have return successors, (2199), 2183 states have call predecessors, (2199), 2199 states have call successors, (2199) [2022-11-19 08:17:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 9111 transitions. [2022-11-19 08:17:30,218 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 9111 transitions. Word has length 195 [2022-11-19 08:17:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 9111 transitions. [2022-11-19 08:17:30,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:17:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 9111 transitions. [2022-11-19 08:17:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-19 08:17:30,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:30,238 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:30,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:17:30,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:17:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:30,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1986157199, now seen corresponding path program 1 times [2022-11-19 08:17:30,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:30,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708288755] [2022-11-19 08:17:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:30,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-19 08:17:30,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:30,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708288755] [2022-11-19 08:17:30,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708288755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:30,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:30,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:30,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101526924] [2022-11-19 08:17:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:30,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:30,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:30,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:30,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:30,686 INFO L87 Difference]: Start difference. First operand 6257 states and 9111 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 08:17:32,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:35,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:40,836 INFO L93 Difference]: Finished difference Result 18573 states and 27097 transitions. [2022-11-19 08:17:40,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2022-11-19 08:17:40,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:40,936 INFO L225 Difference]: With dead ends: 18573 [2022-11-19 08:17:40,937 INFO L226 Difference]: Without dead ends: 12351 [2022-11-19 08:17:40,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:40,979 INFO L413 NwaCegarLoop]: 5291 mSDtfsCounter, 4592 mSDsluCounter, 4007 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4592 SdHoareTripleChecker+Valid, 9298 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:40,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4592 Valid, 9298 Invalid, 1101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1097 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-19 08:17:40,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12351 states. [2022-11-19 08:17:41,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12351 to 12316. [2022-11-19 08:17:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12316 states, 7371 states have (on average 1.2652285985619318) internal successors, (9326), 7530 states have internal predecessors, (9326), 4304 states have call successors, (4304), 644 states have call predecessors, (4304), 637 states have return successors, (4360), 4245 states have call predecessors, (4360), 4300 states have call successors, (4360) [2022-11-19 08:17:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12316 states to 12316 states and 17990 transitions. [2022-11-19 08:17:42,028 INFO L78 Accepts]: Start accepts. Automaton has 12316 states and 17990 transitions. Word has length 193 [2022-11-19 08:17:42,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:42,029 INFO L495 AbstractCegarLoop]: Abstraction has 12316 states and 17990 transitions. [2022-11-19 08:17:42,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 08:17:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12316 states and 17990 transitions. [2022-11-19 08:17:42,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-19 08:17:42,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:42,038 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:42,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:17:42,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:17:42,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:42,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1027026606, now seen corresponding path program 1 times [2022-11-19 08:17:42,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:42,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140318156] [2022-11-19 08:17:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-19 08:17:42,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:42,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140318156] [2022-11-19 08:17:42,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140318156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:42,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:42,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:42,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144436211] [2022-11-19 08:17:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:42,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:42,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:42,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:42,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:42,619 INFO L87 Difference]: Start difference. First operand 12316 states and 17990 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 08:17:45,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:50,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:17:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:52,168 INFO L93 Difference]: Finished difference Result 36664 states and 53904 transitions. [2022-11-19 08:17:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:52,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 210 [2022-11-19 08:17:52,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:52,350 INFO L225 Difference]: With dead ends: 36664 [2022-11-19 08:17:52,350 INFO L226 Difference]: Without dead ends: 24383 [2022-11-19 08:17:52,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:52,421 INFO L413 NwaCegarLoop]: 5900 mSDtfsCounter, 4598 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 9937 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:52,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4598 Valid, 9937 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1180 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-19 08:17:52,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24383 states. [2022-11-19 08:17:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24383 to 24344. [2022-11-19 08:17:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 14605 states have (on average 1.266004792879151) internal successors, (18490), 14928 states have internal predecessors, (18490), 8480 states have call successors, (8480), 1278 states have call predecessors, (8480), 1255 states have return successors, (8934), 8337 states have call predecessors, (8934), 8476 states have call successors, (8934) [2022-11-19 08:17:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 35904 transitions. [2022-11-19 08:17:54,706 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 35904 transitions. Word has length 210 [2022-11-19 08:17:54,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:54,708 INFO L495 AbstractCegarLoop]: Abstraction has 24344 states and 35904 transitions. [2022-11-19 08:17:54,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 08:17:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 35904 transitions. [2022-11-19 08:17:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-19 08:17:54,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:54,719 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:54,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:17:54,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:17:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:54,721 INFO L85 PathProgramCache]: Analyzing trace with hash 755443673, now seen corresponding path program 1 times [2022-11-19 08:17:54,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:54,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203861555] [2022-11-19 08:17:54,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-19 08:17:55,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:55,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203861555] [2022-11-19 08:17:55,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203861555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:55,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:55,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:55,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256396187] [2022-11-19 08:17:55,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:55,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:55,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:55,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:55,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:55,094 INFO L87 Difference]: Start difference. First operand 24344 states and 35904 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:17:58,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:01,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:04,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:04,188 INFO L93 Difference]: Finished difference Result 66512 states and 97847 transitions. [2022-11-19 08:18:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-11-19 08:18:04,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:04,458 INFO L225 Difference]: With dead ends: 66512 [2022-11-19 08:18:04,458 INFO L226 Difference]: Without dead ends: 42203 [2022-11-19 08:18:04,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:04,578 INFO L413 NwaCegarLoop]: 5072 mSDtfsCounter, 3350 mSDsluCounter, 4029 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3350 SdHoareTripleChecker+Valid, 9101 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:04,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3350 Valid, 9101 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1146 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-19 08:18:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42203 states. [2022-11-19 08:18:07,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42203 to 42148. [2022-11-19 08:18:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42148 states, 25205 states have (on average 1.2609402896250743) internal successors, (31782), 25794 states have internal predecessors, (31782), 14600 states have call successors, (14600), 2386 states have call predecessors, (14600), 2339 states have return successors, (15506), 14307 states have call predecessors, (15506), 14596 states have call successors, (15506) [2022-11-19 08:18:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42148 states to 42148 states and 61888 transitions. [2022-11-19 08:18:08,228 INFO L78 Accepts]: Start accepts. Automaton has 42148 states and 61888 transitions. Word has length 213 [2022-11-19 08:18:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:08,230 INFO L495 AbstractCegarLoop]: Abstraction has 42148 states and 61888 transitions. [2022-11-19 08:18:08,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:18:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 42148 states and 61888 transitions. [2022-11-19 08:18:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-19 08:18:08,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:08,239 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:08,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:18:08,240 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:18:08,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:08,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1479715181, now seen corresponding path program 1 times [2022-11-19 08:18:08,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:08,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888890455] [2022-11-19 08:18:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-11-19 08:18:08,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:08,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888890455] [2022-11-19 08:18:08,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888890455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:08,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:08,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:08,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131902014] [2022-11-19 08:18:08,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:08,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:08,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:08,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:08,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:08,558 INFO L87 Difference]: Start difference. First operand 42148 states and 61888 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:18:13,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:17,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:19,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:19,494 INFO L93 Difference]: Finished difference Result 95159 states and 139621 transitions. [2022-11-19 08:18:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:19,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2022-11-19 08:18:19,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:19,816 INFO L225 Difference]: With dead ends: 95159 [2022-11-19 08:18:19,816 INFO L226 Difference]: Without dead ends: 53046 [2022-11-19 08:18:19,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:19,990 INFO L413 NwaCegarLoop]: 5479 mSDtfsCounter, 4564 mSDsluCounter, 4087 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4564 SdHoareTripleChecker+Valid, 9566 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:19,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4564 Valid, 9566 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1109 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-19 08:18:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53046 states. [2022-11-19 08:18:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53046 to 52999. [2022-11-19 08:18:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52999 states, 31653 states have (on average 1.2607967649195968) internal successors, (39908), 32415 states have internal predecessors, (39908), 18376 states have call successors, (18376), 3022 states have call predecessors, (18376), 2966 states have return successors, (19419), 17991 states have call predecessors, (19419), 18372 states have call successors, (19419) [2022-11-19 08:18:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52999 states to 52999 states and 77703 transitions. [2022-11-19 08:18:23,234 INFO L78 Accepts]: Start accepts. Automaton has 52999 states and 77703 transitions. Word has length 213 [2022-11-19 08:18:23,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:23,235 INFO L495 AbstractCegarLoop]: Abstraction has 52999 states and 77703 transitions. [2022-11-19 08:18:23,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:18:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 52999 states and 77703 transitions. [2022-11-19 08:18:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-19 08:18:23,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:23,244 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:23,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:18:23,245 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:18:23,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:23,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1384853963, now seen corresponding path program 1 times [2022-11-19 08:18:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:23,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227460387] [2022-11-19 08:18:23,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:23,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-11-19 08:18:23,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:23,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227460387] [2022-11-19 08:18:23,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227460387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:23,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:23,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:18:23,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701301653] [2022-11-19 08:18:23,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:23,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:18:23,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:23,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:18:23,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:23,646 INFO L87 Difference]: Start difference. First operand 52999 states and 77703 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 08:18:28,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:32,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:18:37,059 INFO L93 Difference]: Finished difference Result 155203 states and 226640 transitions. [2022-11-19 08:18:37,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:18:37,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 223 [2022-11-19 08:18:37,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:18:37,840 INFO L225 Difference]: With dead ends: 155203 [2022-11-19 08:18:37,841 INFO L226 Difference]: Without dead ends: 102239 [2022-11-19 08:18:38,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:18:38,022 INFO L413 NwaCegarLoop]: 6050 mSDtfsCounter, 4306 mSDsluCounter, 4030 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 10080 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:18:38,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 10080 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1372 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-19 08:18:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102239 states. [2022-11-19 08:18:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102239 to 102168. [2022-11-19 08:18:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102168 states, 60907 states have (on average 1.250283218677656) internal successors, (76151), 62298 states have internal predecessors, (76151), 35413 states have call successors, (35413), 5955 states have call predecessors, (35413), 5844 states have return successors, (36783), 34712 states have call predecessors, (36783), 35409 states have call successors, (36783) [2022-11-19 08:18:44,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102168 states to 102168 states and 148347 transitions. [2022-11-19 08:18:44,690 INFO L78 Accepts]: Start accepts. Automaton has 102168 states and 148347 transitions. Word has length 223 [2022-11-19 08:18:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:18:44,691 INFO L495 AbstractCegarLoop]: Abstraction has 102168 states and 148347 transitions. [2022-11-19 08:18:44,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 08:18:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 102168 states and 148347 transitions. [2022-11-19 08:18:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-19 08:18:44,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:18:44,702 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:18:44,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:18:44,703 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 08:18:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:18:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1791793435, now seen corresponding path program 1 times [2022-11-19 08:18:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:18:44,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013957080] [2022-11-19 08:18:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:18:44,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:18:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:18:45,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-11-19 08:18:45,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:18:45,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013957080] [2022-11-19 08:18:45,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013957080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:18:45,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:18:45,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:18:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027246307] [2022-11-19 08:18:45,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:18:45,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:18:45,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:18:45,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:18:45,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:18:45,763 INFO L87 Difference]: Start difference. First operand 102168 states and 148347 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 08:18:50,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:53,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:55,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:18:57,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []