./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-marvell-skge.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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/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-marvell-skge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/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 8acfda41b01c8a1b5aef1e6bd1332b3b67e5f90987646c127c46130ec25ab005 --- 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 08:24:21,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:24:21,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:24:21,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:24:21,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:24:21,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:24:21,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:24:21,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:24:21,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:24:21,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:24:21,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:24:21,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:24:21,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:24:21,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:24:21,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:24:21,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:24:21,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:24:21,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:24:21,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:24:21,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:24:21,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:24:21,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:24:21,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:24:21,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:24:21,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:24:21,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:24:21,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:24:21,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:24:21,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:24:21,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:24:21,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:24:21,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:24:21,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:24:21,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:24:21,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:24:21,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:24:21,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:24:21,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:24:21,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:24:21,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:24:21,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:24:21,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:24:21,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:24:21,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:24:21,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:24:21,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:24:21,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:24:21,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:24:21,476 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:24:21,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:24:21,476 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:24:21,477 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:24:21,478 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:24:21,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:24:21,478 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:24:21,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:24:21,479 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:24:21,479 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:24:21,479 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:24:21,480 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:24:21,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:24:21,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:24:21,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:24:21,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:24:21,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:24:21,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:24:21,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:24:21,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:24:21,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:24:21,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:24:21,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:24:21,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:24:21,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:24:21,484 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:24:21,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:24:21,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:24:21,485 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:24:21,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:24:21,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:24:21,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:24:21,486 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8acfda41b01c8a1b5aef1e6bd1332b3b67e5f90987646c127c46130ec25ab005 [2022-11-19 08:24:21,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:24:21,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:24:21,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:24:21,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:24:21,842 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:24:21,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 08:24:21,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/data/07b9a733e/309b6b39d35d4ebb97854df42cdfc24a/FLAGb1bc5aaaa [2022-11-19 08:24:23,034 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:24:23,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 08:24:23,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/data/07b9a733e/309b6b39d35d4ebb97854df42cdfc24a/FLAGb1bc5aaaa [2022-11-19 08:24:23,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/data/07b9a733e/309b6b39d35d4ebb97854df42cdfc24a [2022-11-19 08:24:23,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:24:23,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:24:23,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:24:23,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:24:23,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:24:23,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:24:23" (1/1) ... [2022-11-19 08:24:23,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5cd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:23, skipping insertion in model container [2022-11-19 08:24:23,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:24:23" (1/1) ... [2022-11-19 08:24:23,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:24:23,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:24:29,318 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524524,524537] [2022-11-19 08:24:29,330 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524693,524706] [2022-11-19 08:24:29,331 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524860,524873] [2022-11-19 08:24:29,331 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525028,525041] [2022-11-19 08:24:29,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:24:29,440 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:24:30,062 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524524,524537] [2022-11-19 08:24:30,063 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524693,524706] [2022-11-19 08:24:30,064 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[524860,524873] [2022-11-19 08:24:30,064 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_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525028,525041] [2022-11-19 08:24:30,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:24:30,419 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:24:30,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30 WrapperNode [2022-11-19 08:24:30,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:24:30,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:24:30,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:24:30,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:24:30,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:30,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,078 INFO L138 Inliner]: procedures = 743, calls = 4087, calls flagged for inlining = 397, calls inlined = 360, statements flattened = 10208 [2022-11-19 08:24:31,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:24:31,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:24:31,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:24:31,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:24:31,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:24:31,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:24:31,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:24:31,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:24:31,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (1/1) ... [2022-11-19 08:24:31,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:24:31,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:24:31,653 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:24:31,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfb7f1a3-9c10-48a8-b8da-7a5fe5545564/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:24:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_regs_len [2022-11-19 08:24:31,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_regs_len [2022-11-19 08:24:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 08:24:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 08:24:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:24:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:24:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:24:31,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:24:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 08:24:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 08:24:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:24:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:24:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:24:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:24:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outhash [2022-11-19 08:24:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outhash [2022-11-19 08:24:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-19 08:24:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-19 08:24:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:24:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:24:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_read [2022-11-19 08:24:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_read [2022-11-19 08:24:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:24:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:24:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 08:24:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 08:24:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:24:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:24:31,699 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-19 08:24:31,699 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-19 08:24:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:24:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:24:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2022-11-19 08:24:31,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2022-11-19 08:24:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure skge_led [2022-11-19 08:24:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_led [2022-11-19 08:24:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure skge_usecs2clk [2022-11-19 08:24:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_usecs2clk [2022-11-19 08:24:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-19 08:24:31,701 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-19 08:24:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 08:24:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 08:24:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-19 08:24:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-19 08:24:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:24:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:24:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-19 08:24:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-19 08:24:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-19 08:24:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-19 08:24:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2022-11-19 08:24:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2022-11-19 08:24:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write32 [2022-11-19 08:24:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write32 [2022-11-19 08:24:31,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:24:31,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:24:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:24:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:24:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write8 [2022-11-19 08:24:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write8 [2022-11-19 08:24:31,705 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:24:31,705 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:24:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 08:24:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 08:24:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:24:31,706 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:24:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:24:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:24:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:24:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:24:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:24:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:24:31,707 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_link_up [2022-11-19 08:24:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_link_up [2022-11-19 08:24:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:24:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:24:31,708 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:24:31,708 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_timeout [2022-11-19 08:24:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_timeout [2022-11-19 08:24:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-19 08:24:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-19 08:24:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 08:24:31,709 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 08:24:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-19 08:24:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-19 08:24:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_reset [2022-11-19 08:24:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_reset [2022-11-19 08:24:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:24:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:24:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:24:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:24:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 08:24:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 08:24:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:24:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ramset [2022-11-19 08:24:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ramset [2022-11-19 08:24:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:24:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:24:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 08:24:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 08:24:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:24:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:24:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:24:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:24:31,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:24:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure skge_set_multicast [2022-11-19 08:24:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_set_multicast [2022-11-19 08:24:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:24:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure bcom_check_link [2022-11-19 08:24:31,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bcom_check_link [2022-11-19 08:24:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:24:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:24:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure skge_remove [2022-11-19 08:24:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_remove [2022-11-19 08:24:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:24:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:24:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure skge_suspend [2022-11-19 08:24:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_suspend [2022-11-19 08:24:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 08:24:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 08:24:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write16 [2022-11-19 08:24:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write16 [2022-11-19 08:24:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:24:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:24:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:24:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:24:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 08:24:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 08:24:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:24:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:24:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-19 08:24:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-19 08:24:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 08:24:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 08:24:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:24:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:24:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write16 [2022-11-19 08:24:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write16 [2022-11-19 08:24:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_parity [2022-11-19 08:24:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_parity [2022-11-19 08:24:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-19 08:24:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-19 08:24:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_skge_hw [2022-11-19 08:24:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_skge_hw [2022-11-19 08:24:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:24:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:24:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:24:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 08:24:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 08:24:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 08:24:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 08:24:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 08:24:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 08:24:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 08:24:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 08:24:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-19 08:24:31,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-19 08:24:31,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 08:24:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 08:24:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 08:24:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 08:24:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_down [2022-11-19 08:24:31,723 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_down [2022-11-19 08:24:31,723 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_setup [2022-11-19 08:24:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_setup [2022-11-19 08:24:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write32 [2022-11-19 08:24:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write32 [2022-11-19 08:24:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read8 [2022-11-19 08:24:31,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read8 [2022-11-19 08:24:31,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:24:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_clean [2022-11-19 08:24:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_clean [2022-11-19 08:24:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 08:24:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 08:24:31,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:24:31,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:24:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:24:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:24:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:24:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 08:24:31,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 08:24:31,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:24:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:24:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:24:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure skge_up [2022-11-19 08:24:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_up [2022-11-19 08:24:31,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:24:31,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:24:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure skge_reset [2022-11-19 08:24:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_reset [2022-11-19 08:24:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_skge_hw [2022-11-19 08:24:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_skge_hw [2022-11-19 08:24:31,728 INFO L130 BoogieDeclarations]: Found specification of procedure skge_vpd_read [2022-11-19 08:24:31,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_vpd_read [2022-11-19 08:24:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:24:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:24:31,729 INFO L130 BoogieDeclarations]: Found specification of procedure wol_supported [2022-11-19 08:24:31,729 INFO L138 BoogieDeclarations]: Found implementation of procedure wol_supported [2022-11-19 08:24:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 08:24:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 08:24:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:24:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:24:31,730 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:24:31,730 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:24:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_init [2022-11-19 08:24:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_init [2022-11-19 08:24:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:24:31,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:24:31,731 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_write [2022-11-19 08:24:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_write [2022-11-19 08:24:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 08:24:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 08:24:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 08:24:31,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 08:24:31,732 INFO L130 BoogieDeclarations]: Found specification of procedure skge_resume [2022-11-19 08:24:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_resume [2022-11-19 08:24:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_get_stats [2022-11-19 08:24:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_get_stats [2022-11-19 08:24:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2022-11-19 08:24:31,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2022-11-19 08:24:31,733 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:24:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:24:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure skge_supported_modes [2022-11-19 08:24:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_supported_modes [2022-11-19 08:24:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:24:31,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:24:31,734 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:24:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:24:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-19 08:24:31,735 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-19 08:24:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:24:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:24:31,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:24:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:24:31,736 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 08:24:31,736 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 08:24:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 08:24:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 08:24:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_get_stats [2022-11-19 08:24:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_get_stats [2022-11-19 08:24:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-19 08:24:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-19 08:24:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:24:31,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:24:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 08:24:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 08:24:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_add_filter [2022-11-19 08:24:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_add_filter [2022-11-19 08:24:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_skge_hw [2022-11-19 08:24:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_skge_hw [2022-11-19 08:24:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 08:24:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 08:24:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_add_filter [2022-11-19 08:24:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_add_filter [2022-11-19 08:24:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 08:24:31,739 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 08:24:31,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 08:24:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:24:31,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:24:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_pauseparam [2022-11-19 08:24:31,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_pauseparam [2022-11-19 08:24:31,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 08:24:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 08:24:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure skge_down [2022-11-19 08:24:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_down [2022-11-19 08:24:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-19 08:24:31,741 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-19 08:24:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_skge_cleanup_module_20_2 [2022-11-19 08:24:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_skge_cleanup_module_20_2 [2022-11-19 08:24:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read32 [2022-11-19 08:24:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read32 [2022-11-19 08:24:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:24:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:24:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-19 08:24:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-19 08:24:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:24:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:24:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read16 [2022-11-19 08:24:31,743 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read16 [2022-11-19 08:24:31,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 08:24:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 08:24:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 08:24:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 08:24:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 08:24:31,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 08:24:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:24:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:24:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2022-11-19 08:24:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2022-11-19 08:24:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:24:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:24:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_link_up [2022-11-19 08:24:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_link_up [2022-11-19 08:24:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:24:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:24:31,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:24:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:24:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_unmap [2022-11-19 08:24:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_unmap [2022-11-19 08:24:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ring_alloc [2022-11-19 08:24:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ring_alloc [2022-11-19 08:24:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_skge_hw [2022-11-19 08:24:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_skge_hw [2022-11-19 08:24:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-19 08:24:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-19 08:24:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure hwkhz [2022-11-19 08:24:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hwkhz [2022-11-19 08:24:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:24:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_intr [2022-11-19 08:24:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_intr [2022-11-19 08:24:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:24:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:24:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 08:24:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 08:24:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 08:24:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 08:24:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_reset [2022-11-19 08:24:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_reset [2022-11-19 08:24:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-19 08:24:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-19 08:24:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __xm_phy_read [2022-11-19 08:24:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __xm_phy_read [2022-11-19 08:24:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outaddr [2022-11-19 08:24:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outaddr [2022-11-19 08:24:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:24:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:24:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 08:24:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 08:24:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure skge_devinit [2022-11-19 08:24:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_devinit [2022-11-19 08:24:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:24:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:24:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 08:24:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 08:24:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-19 08:24:31,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-19 08:24:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:24:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:24:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_up [2022-11-19 08:24:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_up [2022-11-19 08:24:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure skge_nway_reset [2022-11-19 08:24:31,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_nway_reset [2022-11-19 08:24:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 08:24:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 08:24:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_mac_init [2022-11-19 08:24:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_mac_init [2022-11-19 08:24:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-19 08:24:31,754 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-19 08:24:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure skge_avail [2022-11-19 08:24:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_avail [2022-11-19 08:24:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read32 [2022-11-19 08:24:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read32 [2022-11-19 08:24:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:24:31,755 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:24:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 08:24:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 08:24:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure is_genesis [2022-11-19 08:24:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure is_genesis [2022-11-19 08:24:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:24:31,756 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:24:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2022-11-19 08:24:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2022-11-19 08:24:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:24:31,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:24:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:24:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure skge_shutdown [2022-11-19 08:24:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_shutdown [2022-11-19 08:24:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:24:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:24:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2022-11-19 08:24:31,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2022-11-19 08:24:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure skge_wol_init [2022-11-19 08:24:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_wol_init [2022-11-19 08:24:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:24:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:24:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_clean [2022-11-19 08:24:31,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_clean [2022-11-19 08:24:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure skge_netpoll [2022-11-19 08:24:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_netpoll [2022-11-19 08:24:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure skge_intr [2022-11-19 08:24:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_intr [2022-11-19 08:24:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 08:24:31,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 08:24:31,760 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_eeprom_len [2022-11-19 08:24:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_eeprom_len [2022-11-19 08:24:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:24:31,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:24:31,761 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 08:24:31,761 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 08:24:31,761 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-19 08:24:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-19 08:24:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 08:24:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 08:24:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_speed [2022-11-19 08:24:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_speed [2022-11-19 08:24:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:24:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:24:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read16 [2022-11-19 08:24:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read16 [2022-11-19 08:24:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:24:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-19 08:24:31,763 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-19 08:24:31,763 INFO L130 BoogieDeclarations]: Found specification of procedure xm_link_down [2022-11-19 08:24:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_link_down [2022-11-19 08:24:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:24:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:24:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 08:24:31,764 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 08:24:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure skge_show_addr [2022-11-19 08:24:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_show_addr [2022-11-19 08:24:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure skge_qset [2022-11-19 08:24:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_qset [2022-11-19 08:24:33,450 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:24:33,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:24:33,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:34:53,972 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 08:34:54,333 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:35:01,084 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:35:01,085 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-19 08:35:01,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:35:01 BoogieIcfgContainer [2022-11-19 08:35:01,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:35:01,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:35:01,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:35:01,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:35:01,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:24:23" (1/3) ... [2022-11-19 08:35:01,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e04cf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:35:01, skipping insertion in model container [2022-11-19 08:35:01,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:24:30" (2/3) ... [2022-11-19 08:35:01,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e04cf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:35:01, skipping insertion in model container [2022-11-19 08:35:01,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:35:01" (3/3) ... [2022-11-19 08:35:01,104 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 08:35:01,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:35:01,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-19 08:35:01,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:35:01,281 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;@1eb15b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:35:01,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-19 08:35:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 3195 states, 1783 states have (on average 1.3000560852495793) internal successors, (2318), 1864 states have internal predecessors, (2318), 1213 states have call successors, (1213), 197 states have call predecessors, (1213), 196 states have return successors, (1203), 1179 states have call predecessors, (1203), 1203 states have call successors, (1203) [2022-11-19 08:35:01,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-19 08:35:01,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:35:01,354 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:01,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:35:01,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:35:01,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1757712696, now seen corresponding path program 1 times [2022-11-19 08:35:01,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:35:01,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531458633] [2022-11-19 08:35:01,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:35:01,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:35:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:35:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:35:04,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:35:04,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531458633] [2022-11-19 08:35:04,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531458633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:35:04,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:35:04,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:35:04,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894548148] [2022-11-19 08:35:04,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:35:04,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:35:04,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:35:04,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:35:04,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:35:04,775 INFO L87 Difference]: Start difference. First operand has 3195 states, 1783 states have (on average 1.3000560852495793) internal successors, (2318), 1864 states have internal predecessors, (2318), 1213 states have call successors, (1213), 197 states have call predecessors, (1213), 196 states have return successors, (1203), 1179 states have call predecessors, (1203), 1203 states have call successors, (1203) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:35:07,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:13,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:17,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:20,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:35:22,509 INFO L93 Difference]: Finished difference Result 9311 states and 14045 transitions. [2022-11-19 08:35:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:35:22,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 323 [2022-11-19 08:35:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:35:22,596 INFO L225 Difference]: With dead ends: 9311 [2022-11-19 08:35:22,597 INFO L226 Difference]: Without dead ends: 6163 [2022-11-19 08:35:22,638 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 08:35:22,645 INFO L413 NwaCegarLoop]: 5271 mSDtfsCounter, 4465 mSDsluCounter, 4094 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4468 SdHoareTripleChecker+Valid, 9365 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:35:22,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4468 Valid, 9365 Invalid, 1165 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1149 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2022-11-19 08:35:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6163 states. [2022-11-19 08:35:23,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6163 to 6158. [2022-11-19 08:35:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 3451 states have (on average 1.2964358157055926) internal successors, (4474), 3611 states have internal predecessors, (4474), 2317 states have call successors, (2317), 389 states have call predecessors, (2317), 387 states have return successors, (2315), 2264 states have call predecessors, (2315), 2313 states have call successors, (2315) [2022-11-19 08:35:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 9106 transitions. [2022-11-19 08:35:23,274 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 9106 transitions. Word has length 323 [2022-11-19 08:35:23,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:35:23,277 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 9106 transitions. [2022-11-19 08:35:23,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:35:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 9106 transitions. [2022-11-19 08:35:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-19 08:35:23,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:35:23,291 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:23,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:35:23,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:35:23,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:35:23,293 INFO L85 PathProgramCache]: Analyzing trace with hash 896905310, now seen corresponding path program 1 times [2022-11-19 08:35:23,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:35:23,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124710694] [2022-11-19 08:35:23,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:35:23,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:35:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:35:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:35:25,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:35:25,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124710694] [2022-11-19 08:35:25,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124710694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:35:25,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:35:25,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:35:25,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442089756] [2022-11-19 08:35:25,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:35:25,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:35:25,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:35:25,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:35:25,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:35:25,484 INFO L87 Difference]: Start difference. First operand 6158 states and 9106 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-19 08:35:27,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:30,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:35,245 WARN L539 Checker$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 08:35:42,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:35:42,291 INFO L93 Difference]: Finished difference Result 18283 states and 27181 transitions. [2022-11-19 08:35:42,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:35:42,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 326 [2022-11-19 08:35:42,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:35:42,402 INFO L225 Difference]: With dead ends: 18283 [2022-11-19 08:35:42,403 INFO L226 Difference]: Without dead ends: 12186 [2022-11-19 08:35:42,454 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 08:35:42,455 INFO L413 NwaCegarLoop]: 5418 mSDtfsCounter, 4554 mSDsluCounter, 4150 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 9568 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:35:42,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4556 Valid, 9568 Invalid, 1163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1155 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2022-11-19 08:35:42,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12186 states. [2022-11-19 08:35:43,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12186 to 12156. [2022-11-19 08:35:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12156 states, 6824 states have (on average 1.2979191090269637) internal successors, (8857), 7149 states have internal predecessors, (8857), 4558 states have call successors, (4558), 776 states have call predecessors, (4558), 771 states have return successors, (4706), 4443 states have call predecessors, (4706), 4554 states have call successors, (4706) [2022-11-19 08:35:43,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12156 states to 12156 states and 18121 transitions. [2022-11-19 08:35:43,888 INFO L78 Accepts]: Start accepts. Automaton has 12156 states and 18121 transitions. Word has length 326 [2022-11-19 08:35:43,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:35:43,892 INFO L495 AbstractCegarLoop]: Abstraction has 12156 states and 18121 transitions. [2022-11-19 08:35:43,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-19 08:35:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12156 states and 18121 transitions. [2022-11-19 08:35:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-19 08:35:43,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:35:43,909 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:35:43,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:35:43,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:35:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:35:43,922 INFO L85 PathProgramCache]: Analyzing trace with hash 810176717, now seen corresponding path program 1 times [2022-11-19 08:35:43,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:35:43,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572891862] [2022-11-19 08:35:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:35:43,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:35:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:35:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:35:46,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:35:46,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572891862] [2022-11-19 08:35:46,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572891862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:35:46,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:35:46,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:35:46,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458404323] [2022-11-19 08:35:46,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:35:46,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:35:46,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:35:46,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:35:46,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:35:46,488 INFO L87 Difference]: Start difference. First operand 12156 states and 18121 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:35:48,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:35:55,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:01,249 INFO L93 Difference]: Finished difference Result 35433 states and 53270 transitions. [2022-11-19 08:36:01,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:01,250 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 330 [2022-11-19 08:36:01,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:01,447 INFO L225 Difference]: With dead ends: 35433 [2022-11-19 08:36:01,447 INFO L226 Difference]: Without dead ends: 23338 [2022-11-19 08:36:01,538 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 08:36:01,539 INFO L413 NwaCegarLoop]: 5293 mSDtfsCounter, 4237 mSDsluCounter, 4171 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4237 SdHoareTripleChecker+Valid, 9464 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:01,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4237 Valid, 9464 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1137 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-11-19 08:36:01,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23338 states. [2022-11-19 08:36:03,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23338 to 23304. [2022-11-19 08:36:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23304 states, 13082 states have (on average 1.2986546399633083) internal successors, (16989), 13705 states have internal predecessors, (16989), 8714 states have call successors, (8714), 1514 states have call predecessors, (8714), 1505 states have return successors, (9490), 8493 states have call predecessors, (9490), 8710 states have call successors, (9490) [2022-11-19 08:36:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23304 states to 23304 states and 35193 transitions. [2022-11-19 08:36:03,775 INFO L78 Accepts]: Start accepts. Automaton has 23304 states and 35193 transitions. Word has length 330 [2022-11-19 08:36:03,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:03,777 INFO L495 AbstractCegarLoop]: Abstraction has 23304 states and 35193 transitions. [2022-11-19 08:36:03,777 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:36:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 23304 states and 35193 transitions. [2022-11-19 08:36:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-11-19 08:36:03,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:03,788 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:03,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:36:03,788 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:36:03,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1229595069, now seen corresponding path program 1 times [2022-11-19 08:36:03,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:36:03,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325360116] [2022-11-19 08:36:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:36:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:36:05,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:36:05,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325360116] [2022-11-19 08:36:05,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325360116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:05,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:05,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:05,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80127912] [2022-11-19 08:36:05,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:05,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:05,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:36:05,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:05,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:05,716 INFO L87 Difference]: Start difference. First operand 23304 states and 35193 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:36:07,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:17,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:19,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:22,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:22,189 INFO L93 Difference]: Finished difference Result 68689 states and 103334 transitions. [2022-11-19 08:36:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:22,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 333 [2022-11-19 08:36:22,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:22,521 INFO L225 Difference]: With dead ends: 68689 [2022-11-19 08:36:22,521 INFO L226 Difference]: Without dead ends: 45446 [2022-11-19 08:36:22,679 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 08:36:22,684 INFO L413 NwaCegarLoop]: 5226 mSDtfsCounter, 4304 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 9294 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:22,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 9294 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1220 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2022-11-19 08:36:22,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45446 states. [2022-11-19 08:36:26,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45446 to 45404. [2022-11-19 08:36:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45404 states, 25386 states have (on average 1.2905144567872056) internal successors, (32761), 26613 states have internal predecessors, (32761), 17022 states have call successors, (17022), 3010 states have call predecessors, (17022), 2993 states have return successors, (18174), 16597 states have call predecessors, (18174), 17018 states have call successors, (18174) [2022-11-19 08:36:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45404 states to 45404 states and 67957 transitions. [2022-11-19 08:36:26,800 INFO L78 Accepts]: Start accepts. Automaton has 45404 states and 67957 transitions. Word has length 333 [2022-11-19 08:36:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:26,801 INFO L495 AbstractCegarLoop]: Abstraction has 45404 states and 67957 transitions. [2022-11-19 08:36:26,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:36:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 45404 states and 67957 transitions. [2022-11-19 08:36:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-11-19 08:36:26,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:26,816 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:26,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:36:26,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:36:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash -444357066, now seen corresponding path program 1 times [2022-11-19 08:36:26,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:36:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308876652] [2022-11-19 08:36:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:26,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:36:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:36:29,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:36:29,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308876652] [2022-11-19 08:36:29,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308876652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:29,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:29,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:29,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722185290] [2022-11-19 08:36:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:29,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:29,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:36:29,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:29,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:29,295 INFO L87 Difference]: Start difference. First operand 45404 states and 67957 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 08:36:31,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:39,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:41,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:44,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:36:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:36:47,526 INFO L93 Difference]: Finished difference Result 109379 states and 163646 transitions. [2022-11-19 08:36:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:36:47,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 345 [2022-11-19 08:36:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:36:48,219 INFO L225 Difference]: With dead ends: 109379 [2022-11-19 08:36:48,219 INFO L226 Difference]: Without dead ends: 64036 [2022-11-19 08:36:48,474 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 08:36:48,475 INFO L413 NwaCegarLoop]: 5227 mSDtfsCounter, 4171 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4173 SdHoareTripleChecker+Valid, 9311 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:36:48,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4173 Valid, 9311 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1188 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-19 08:36:48,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64036 states. [2022-11-19 08:36:51,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64036 to 63996. [2022-11-19 08:36:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63996 states, 35822 states have (on average 1.2888448439506448) internal successors, (46169), 37545 states have internal predecessors, (46169), 23914 states have call successors, (23914), 4286 states have call predecessors, (23914), 4257 states have return successors, (25408), 23277 states have call predecessors, (25408), 23910 states have call successors, (25408) [2022-11-19 08:36:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63996 states to 63996 states and 95491 transitions. [2022-11-19 08:36:52,783 INFO L78 Accepts]: Start accepts. Automaton has 63996 states and 95491 transitions. Word has length 345 [2022-11-19 08:36:52,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:36:52,785 INFO L495 AbstractCegarLoop]: Abstraction has 63996 states and 95491 transitions. [2022-11-19 08:36:52,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 08:36:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 63996 states and 95491 transitions. [2022-11-19 08:36:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-11-19 08:36:52,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:36:52,795 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:36:52,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:36:52,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:36:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:36:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1035799869, now seen corresponding path program 1 times [2022-11-19 08:36:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:36:52,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081517645] [2022-11-19 08:36:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:36:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:36:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:36:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 08:36:54,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:36:54,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081517645] [2022-11-19 08:36:54,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081517645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:36:54,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:36:54,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:36:54,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993948799] [2022-11-19 08:36:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:36:54,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:36:54,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:36:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:36:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:36:54,436 INFO L87 Difference]: Start difference. First operand 63996 states and 95491 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:36:56,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:37:01,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:37:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:37:12,880 INFO L93 Difference]: Finished difference Result 156849 states and 232972 transitions. [2022-11-19 08:37:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:37:12,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 345 [2022-11-19 08:37:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:37:13,374 INFO L225 Difference]: With dead ends: 156849 [2022-11-19 08:37:13,374 INFO L226 Difference]: Without dead ends: 92914 [2022-11-19 08:37:13,674 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 08:37:13,675 INFO L413 NwaCegarLoop]: 5161 mSDtfsCounter, 3687 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3689 SdHoareTripleChecker+Valid, 9173 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:37:13,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3689 Valid, 9173 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1197 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2022-11-19 08:37:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92914 states. [2022-11-19 08:37:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92914 to 92868. [2022-11-19 08:37:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92868 states, 51061 states have (on average 1.271361704627798) internal successors, (64917), 53601 states have internal predecessors, (64917), 35082 states have call successors, (35082), 6779 states have call predecessors, (35082), 6722 states have return successors, (37398), 34103 states have call predecessors, (37398), 35078 states have call successors, (37398) [2022-11-19 08:37:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92868 states to 92868 states and 137397 transitions. [2022-11-19 08:37:19,439 INFO L78 Accepts]: Start accepts. Automaton has 92868 states and 137397 transitions. Word has length 345 [2022-11-19 08:37:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:37:19,442 INFO L495 AbstractCegarLoop]: Abstraction has 92868 states and 137397 transitions. [2022-11-19 08:37:19,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-19 08:37:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 92868 states and 137397 transitions. [2022-11-19 08:37:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-19 08:37:19,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:37:19,458 INFO L195 NwaCegarLoop]: trace histogram [32, 30, 30, 30, 30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:37:19,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:37:19,459 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:37:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:37:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash 26796041, now seen corresponding path program 1 times [2022-11-19 08:37:19,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:37:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934086594] [2022-11-19 08:37:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:37:19,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:37:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:37:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3610 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3602 trivial. 0 not checked. [2022-11-19 08:37:23,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:37:23,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934086594] [2022-11-19 08:37:23,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934086594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:37:23,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:37:23,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:37:23,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212232622] [2022-11-19 08:37:23,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:37:23,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:37:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:37:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:37:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:37:23,443 INFO L87 Difference]: Start difference. First operand 92868 states and 137397 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-19 08:37:25,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:37:44,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:37:46,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:38:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:38:24,550 INFO L93 Difference]: Finished difference Result 312353 states and 461867 transitions. [2022-11-19 08:38:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:38:24,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 354 [2022-11-19 08:38:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted.