./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-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:20:33,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:20:33,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:20:33,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:20:33,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:20:33,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:20:33,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:20:33,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:20:33,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:20:33,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:20:33,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:20:33,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:20:33,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:20:33,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:20:33,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:20:33,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:20:33,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:20:33,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:20:33,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:20:33,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:20:33,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:20:33,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:20:33,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:20:33,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:20:33,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:20:33,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:20:33,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:20:33,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:20:33,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:20:33,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:20:33,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:20:33,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:20:33,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:20:33,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:20:33,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:20:33,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:20:33,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:20:33,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:20:33,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:20:33,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:20:33,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:20:33,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:20:33,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:20:33,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:20:33,526 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:20:33,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:20:33,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:20:33,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:20:33,528 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:20:33,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:20:33,528 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:20:33,529 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:20:33,530 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:20:33,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:20:33,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:20:33,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:20:33,531 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:20:33,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:20:33,531 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:20:33,531 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:20:33,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:20:33,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:20:33,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:20:33,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:20:33,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:20:33,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:20:33,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:20:33,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:20:33,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:20:33,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:20:33,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:20:33,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:33,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:20:33,535 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:20:33,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:20:33,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:20:33,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:20:33,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:20:33,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:20:33,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:20:33,536 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_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70e4e56f3340c1b20d9142537fb15f82141ddbe721f83e6a5c46f084f6374a2 [2022-11-03 02:20:33,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:20:33,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:20:33,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:20:33,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:20:33,872 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:20:33,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:20:33,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/data/b8e734823/b91926cbe27c4bfeb5e9e985fec835e4/FLAGbb2fa51a6 [2022-11-03 02:20:35,065 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:20:35,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:20:35,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/data/b8e734823/b91926cbe27c4bfeb5e9e985fec835e4/FLAGbb2fa51a6 [2022-11-03 02:20:35,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/data/b8e734823/b91926cbe27c4bfeb5e9e985fec835e4 [2022-11-03 02:20:35,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:20:35,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:20:35,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:35,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:20:35,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:20:35,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:35" (1/1) ... [2022-11-03 02:20:35,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31066767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:35, skipping insertion in model container [2022-11-03 02:20:35,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:35" (1/1) ... [2022-11-03 02:20:35,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:20:35,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:20:41,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2022-11-03 02:20:41,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2022-11-03 02:20:41,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2022-11-03 02:20:41,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2022-11-03 02:20:42,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:42,141 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:20:42,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[620998,621011] [2022-11-03 02:20:42,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621164,621177] [2022-11-03 02:20:42,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621328,621341] [2022-11-03 02:20:42,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[621493,621506] [2022-11-03 02:20:42,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:43,292 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:20:43,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43 WrapperNode [2022-11-03 02:20:43,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:43,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:43,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:20:43,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:20:43,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:43,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,271 INFO L138 Inliner]: procedures = 702, calls = 7462, calls flagged for inlining = 381, calls inlined = 353, statements flattened = 15735 [2022-11-03 02:20:44,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:44,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:20:44,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:20:44,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:20:44,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:44,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:45,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:45,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:45,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:20:45,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:20:45,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:20:45,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:20:45,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (1/1) ... [2022-11-03 02:20:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:45,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:20:45,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:20:45,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb330d22-89c0-4ecc-924b-3da1619de11c/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:20:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:20:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:20:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:20:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:20:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:20:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:20:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:20:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:20:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:20:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-03 02:20:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-03 02:20:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 02:20:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 02:20:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:20:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:20:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-03 02:20:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-03 02:20:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:20:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:20:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-03 02:20:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-03 02:20:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-03 02:20:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-03 02:20:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-03 02:20:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-03 02:20:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-03 02:20:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-03 02:20:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:20:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:20:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:20:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-03 02:20:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-03 02:20:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-03 02:20:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:20:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:20:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:20:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:20:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 02:20:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 02:20:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:20:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:20:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:20:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:20:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:20:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:20:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-03 02:20:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-03 02:20:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-03 02:20:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-03 02:20:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:20:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:20:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-03 02:20:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-03 02:20:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-03 02:20:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-03 02:20:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-03 02:20:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-03 02:20:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-03 02:20:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-03 02:20:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-03 02:20:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-03 02:20:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-03 02:20:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-03 02:20:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:20:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:20:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:20:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:20:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-03 02:20:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-03 02:20:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:20:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:20:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:20:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:20:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-03 02:20:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-03 02:20:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:20:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:20:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:20:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:20:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-03 02:20:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-03 02:20:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-03 02:20:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-03 02:20:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:20:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-03 02:20:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:20:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:20:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:20:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:20:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:20:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:20:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:20:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-03 02:20:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-03 02:20:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-03 02:20:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-03 02:20:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-03 02:20:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-03 02:20:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-03 02:20:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-03 02:20:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-03 02:20:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-03 02:20:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:20:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:20:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-03 02:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-03 02:20:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:20:45,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:20:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-03 02:20:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-03 02:20:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-03 02:20:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-03 02:20:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-03 02:20:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-03 02:20:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:20:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:20:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-03 02:20:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-03 02:20:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:20:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-03 02:20:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-03 02:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-03 02:20:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-03 02:20:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:20:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:20:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:20:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-03 02:20:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-03 02:20:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 02:20:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 02:20:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:20:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:20:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:20:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:20:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-03 02:20:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-03 02:20:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-03 02:20:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-03 02:20:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-03 02:20:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-03 02:20:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:20:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-03 02:20:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-03 02:20:45,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:20:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:20:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:20:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:20:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:20:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:20:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:20:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:20:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:20:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:20:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:20:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:20:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:20:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-03 02:20:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-03 02:20:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 02:20:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 02:20:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:20:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:20:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-03 02:20:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-03 02:20:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 02:20:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 02:20:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:20:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:20:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-03 02:20:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-03 02:20:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-03 02:20:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-03 02:20:45,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:20:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:20:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:20:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:20:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:20:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-03 02:20:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-03 02:20:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-03 02:20:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-03 02:20:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-03 02:20:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:20:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-03 02:20:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-03 02:20:45,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:20:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:20:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:20:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:20:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 02:20:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 02:20:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-03 02:20:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-03 02:20:45,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:20:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:20:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-03 02:20:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-03 02:20:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:20:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:20:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:20:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:20:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:20:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:20:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:20:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:20:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:20:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-03 02:20:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-03 02:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-03 02:20:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-03 02:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:20:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:20:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:20:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-03 02:20:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-03 02:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:20:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-03 02:20:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-03 02:20:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-03 02:20:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-03 02:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:20:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-03 02:20:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-03 02:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:20:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:20:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-03 02:20:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-03 02:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:20:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:20:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:20:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:20:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:20:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-03 02:20:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-03 02:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-03 02:20:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-03 02:20:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-03 02:20:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-03 02:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-03 02:20:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-03 02:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:20:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:20:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:20:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 02:20:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2022-11-03 02:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:20:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:20:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-03 02:20:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-03 02:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:20:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-03 02:20:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-03 02:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-03 02:20:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-03 02:20:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:20:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:20:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-03 02:20:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-03 02:20:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:20:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:20:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:20:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:20:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 02:20:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 02:20:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:20:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:20:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:20:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:20:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-03 02:20:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-03 02:20:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 02:20:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 02:20:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:20:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:20:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:20:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-03 02:20:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-03 02:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-03 02:20:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-03 02:20:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:20:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-03 02:20:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-03 02:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-03 02:20:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-03 02:20:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:20:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:20:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-03 02:20:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-03 02:20:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-03 02:20:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-03 02:20:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-03 02:20:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-03 02:20:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 02:20:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2022-11-03 02:20:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-03 02:20:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-03 02:20:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:20:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:20:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:20:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:20:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-03 02:20:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-03 02:20:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:20:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:20:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:20:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:20:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-03 02:20:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-03 02:20:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-03 02:20:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-03 02:20:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:20:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:20:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-03 02:20:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-03 02:20:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-03 02:20:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-03 02:20:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:20:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:20:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-03 02:20:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-03 02:20:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:20:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:20:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:20:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:20:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:20:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:20:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:20:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-03 02:20:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-03 02:20:45,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:20:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:20:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-03 02:20:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-03 02:20:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:20:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:20:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-03 02:20:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-03 02:20:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:20:45,328 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 02:20:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 02:20:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-03 02:20:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-03 02:20:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-03 02:20:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-03 02:20:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 02:20:45,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 02:20:45,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 02:20:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 02:20:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:20:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-03 02:20:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-03 02:20:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-03 02:20:45,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-03 02:20:45,330 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:20:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:20:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-03 02:20:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-03 02:20:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:20:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:20:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:20:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:20:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:20:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:20:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:20:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:20:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:20:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:20:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-03 02:20:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-03 02:20:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-03 02:20:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-03 02:20:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 02:20:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 02:20:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 02:20:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 02:20:45,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-03 02:20:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-03 02:20:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:20:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:20:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:20:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:20:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:20:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:20:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:20:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:20:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-03 02:20:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-03 02:20:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:20:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:20:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-03 02:20:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-03 02:20:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 02:20:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 02:20:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:20:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:20:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:20:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:20:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-03 02:20:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-03 02:20:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:20:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:20:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:20:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:20:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-03 02:20:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-03 02:20:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:20:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-03 02:20:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-03 02:20:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:20:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:20:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-03 02:20:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-03 02:20:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:20:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:20:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:20:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:20:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-03 02:20:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-03 02:20:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-03 02:20:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-03 02:20:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 02:20:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 02:20:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-03 02:20:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-03 02:20:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-03 02:20:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-03 02:20:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:20:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:20:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:20:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-03 02:20:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-03 02:20:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-03 02:20:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-03 02:20:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-03 02:20:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-03 02:20:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-03 02:20:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:20:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:20:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:20:45,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:20:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:20:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-03 02:20:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:20:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:20:45,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-03 02:20:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-03 02:20:45,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-03 02:20:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-03 02:20:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-03 02:20:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-03 02:20:45,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-03 02:20:47,039 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:20:47,044 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:20:47,171 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:21:09,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:21:10,347 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:21:16,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:21:16,687 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:21:16,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:16 BoogieIcfgContainer [2022-11-03 02:21:16,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:21:16,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:21:16,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:21:16,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:21:16,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:20:35" (1/3) ... [2022-11-03 02:21:16,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be31f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:16, skipping insertion in model container [2022-11-03 02:21:16,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:43" (2/3) ... [2022-11-03 02:21:16,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be31f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:21:16, skipping insertion in model container [2022-11-03 02:21:16,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:21:16" (3/3) ... [2022-11-03 02:21:16,707 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-03 02:21:16,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:21:16,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 02:21:16,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:21:16,890 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;@a9d0a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:21:16,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 02:21:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 3763 states, 2270 states have (on average 1.3176211453744493) internal successors, (2991), 2334 states have internal predecessors, (2991), 1252 states have call successors, (1252), 239 states have call predecessors, (1252), 238 states have return successors, (1245), 1229 states have call predecessors, (1245), 1245 states have call successors, (1245) [2022-11-03 02:21:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-03 02:21:16,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:16,930 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:16,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:21:16,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1831336755, now seen corresponding path program 1 times [2022-11-03 02:21:16,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:16,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720731698] [2022-11-03 02:21:16,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-03 02:21:18,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:18,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720731698] [2022-11-03 02:21:18,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720731698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:18,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:18,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:18,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946898114] [2022-11-03 02:21:18,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:18,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:21:18,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:18,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:21:18,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:18,796 INFO L87 Difference]: Start difference. First operand has 3763 states, 2270 states have (on average 1.3176211453744493) internal successors, (2991), 2334 states have internal predecessors, (2991), 1252 states have call successors, (1252), 239 states have call predecessors, (1252), 238 states have return successors, (1245), 1229 states have call predecessors, (1245), 1245 states have call successors, (1245) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:21:23,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:21:26,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:32,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:33,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:40,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:40,039 INFO L93 Difference]: Finished difference Result 11130 states and 16361 transitions. [2022-11-03 02:21:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:40,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 201 [2022-11-03 02:21:40,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:40,122 INFO L225 Difference]: With dead ends: 11130 [2022-11-03 02:21:40,122 INFO L226 Difference]: Without dead ends: 7393 [2022-11-03 02:21:40,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:40,158 INFO L413 NwaCegarLoop]: 6127 mSDtfsCounter, 5331 mSDsluCounter, 5433 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5337 SdHoareTripleChecker+Valid, 10801 SdHoareTripleChecker+Invalid, 1612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:40,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5337 Valid, 10801 Invalid, 1612 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1602 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2022-11-03 02:21:40,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7393 states. [2022-11-03 02:21:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7393 to 7387. [2022-11-03 02:21:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7387 states, 4467 states have (on average 1.3158719498544884) internal successors, (5878), 4596 states have internal predecessors, (5878), 2445 states have call successors, (2445), 473 states have call predecessors, (2445), 472 states have return successors, (2447), 2407 states have call predecessors, (2447), 2441 states have call successors, (2447) [2022-11-03 02:21:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7387 states to 7387 states and 10770 transitions. [2022-11-03 02:21:40,898 INFO L78 Accepts]: Start accepts. Automaton has 7387 states and 10770 transitions. Word has length 201 [2022-11-03 02:21:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:40,904 INFO L495 AbstractCegarLoop]: Abstraction has 7387 states and 10770 transitions. [2022-11-03 02:21:40,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:21:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 7387 states and 10770 transitions. [2022-11-03 02:21:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-03 02:21:40,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:40,922 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:40,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:21:40,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:21:40,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:40,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1119012572, now seen corresponding path program 1 times [2022-11-03 02:21:40,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:40,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354503617] [2022-11-03 02:21:40,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:40,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-03 02:21:41,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:41,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354503617] [2022-11-03 02:21:41,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354503617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:41,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:41,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:41,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723837150] [2022-11-03 02:21:41,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:41,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:21:41,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:41,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:21:41,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:41,759 INFO L87 Difference]: Start difference. First operand 7387 states and 10770 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:21:46,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:21:49,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:51,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:55,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:57,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:59,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:06,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:06,649 INFO L93 Difference]: Finished difference Result 18424 states and 26853 transitions. [2022-11-03 02:22:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:22:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 211 [2022-11-03 02:22:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:06,724 INFO L225 Difference]: With dead ends: 18424 [2022-11-03 02:22:06,724 INFO L226 Difference]: Without dead ends: 11074 [2022-11-03 02:22:06,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:22:06,763 INFO L413 NwaCegarLoop]: 6179 mSDtfsCounter, 5351 mSDsluCounter, 5438 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5355 SdHoareTripleChecker+Valid, 10855 SdHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:06,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5355 Valid, 10855 Invalid, 1621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1610 Invalid, 4 Unknown, 0 Unchecked, 24.3s Time] [2022-11-03 02:22:06,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11074 states. [2022-11-03 02:22:07,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11074 to 11054. [2022-11-03 02:22:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11054 states, 6684 states have (on average 1.31508078994614) internal successors, (8790), 6880 states have internal predecessors, (8790), 3656 states have call successors, (3656), 712 states have call predecessors, (3656), 711 states have return successors, (3662), 3596 states have call predecessors, (3662), 3652 states have call successors, (3662) [2022-11-03 02:22:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11054 states to 11054 states and 16108 transitions. [2022-11-03 02:22:07,347 INFO L78 Accepts]: Start accepts. Automaton has 11054 states and 16108 transitions. Word has length 211 [2022-11-03 02:22:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:07,348 INFO L495 AbstractCegarLoop]: Abstraction has 11054 states and 16108 transitions. [2022-11-03 02:22:07,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:22:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 11054 states and 16108 transitions. [2022-11-03 02:22:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-03 02:22:07,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:07,356 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:07,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:22:07,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:22:07,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:07,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1313545342, now seen corresponding path program 1 times [2022-11-03 02:22:07,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:07,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063426367] [2022-11-03 02:22:07,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-03 02:22:08,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:08,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063426367] [2022-11-03 02:22:08,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063426367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:08,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:08,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:22:08,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656228134] [2022-11-03 02:22:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:08,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:22:08,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:08,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:22:08,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:22:08,184 INFO L87 Difference]: Start difference. First operand 11054 states and 16108 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:22:12,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:15,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:17,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:21,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:24,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:22:28,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:28,661 INFO L93 Difference]: Finished difference Result 28725 states and 41624 transitions. [2022-11-03 02:22:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:22:28,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 217 [2022-11-03 02:22:28,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:28,773 INFO L225 Difference]: With dead ends: 28725 [2022-11-03 02:22:28,773 INFO L226 Difference]: Without dead ends: 17708 [2022-11-03 02:22:28,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:22:28,826 INFO L413 NwaCegarLoop]: 5528 mSDtfsCounter, 3183 mSDsluCounter, 5346 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 10158 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:28,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 10158 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1611 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2022-11-03 02:22:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17708 states. [2022-11-03 02:22:29,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17708 to 17683. [2022-11-03 02:22:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17683 states, 10692 states have (on average 1.3078937523381968) internal successors, (13984), 11018 states have internal predecessors, (13984), 5762 states have call successors, (5762), 1230 states have call predecessors, (5762), 1226 states have return successors, (5785), 5656 states have call predecessors, (5785), 5758 states have call successors, (5785) [2022-11-03 02:22:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17683 states to 17683 states and 25531 transitions. [2022-11-03 02:22:29,880 INFO L78 Accepts]: Start accepts. Automaton has 17683 states and 25531 transitions. Word has length 217 [2022-11-03 02:22:29,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:29,882 INFO L495 AbstractCegarLoop]: Abstraction has 17683 states and 25531 transitions. [2022-11-03 02:22:29,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-03 02:22:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 17683 states and 25531 transitions. [2022-11-03 02:22:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-03 02:22:29,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:29,888 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:29,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:22:29,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:22:29,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:29,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1681800571, now seen corresponding path program 1 times [2022-11-03 02:22:29,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:29,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897876223] [2022-11-03 02:22:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-03 02:22:30,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:30,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897876223] [2022-11-03 02:22:30,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897876223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:30,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:30,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:22:30,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332971231] [2022-11-03 02:22:30,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:30,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:22:30,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:30,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:22:30,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:22:30,728 INFO L87 Difference]: Start difference. First operand 17683 states and 25531 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:22:34,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:22:36,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:39,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:42,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:49,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:22:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:22:54,852 INFO L93 Difference]: Finished difference Result 37788 states and 54605 transitions. [2022-11-03 02:22:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:22:54,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 219 [2022-11-03 02:22:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:22:54,963 INFO L225 Difference]: With dead ends: 37788 [2022-11-03 02:22:54,964 INFO L226 Difference]: Without dead ends: 20142 [2022-11-03 02:22:55,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:22:55,045 INFO L413 NwaCegarLoop]: 7899 mSDtfsCounter, 4707 mSDsluCounter, 5396 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 18 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 12540 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:22:55,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4709 Valid, 12540 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2092 Invalid, 4 Unknown, 0 Unchecked, 23.4s Time] [2022-11-03 02:22:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20142 states. [2022-11-03 02:22:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20142 to 20118. [2022-11-03 02:22:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20118 states, 12260 states have (on average 1.313784665579119) internal successors, (16107), 12628 states have internal predecessors, (16107), 6452 states have call successors, (6452), 1410 states have call predecessors, (6452), 1403 states have return successors, (6466), 6317 states have call predecessors, (6466), 6448 states have call successors, (6466) [2022-11-03 02:22:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20118 states to 20118 states and 29025 transitions. [2022-11-03 02:22:56,184 INFO L78 Accepts]: Start accepts. Automaton has 20118 states and 29025 transitions. Word has length 219 [2022-11-03 02:22:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:22:56,185 INFO L495 AbstractCegarLoop]: Abstraction has 20118 states and 29025 transitions. [2022-11-03 02:22:56,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 02:22:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20118 states and 29025 transitions. [2022-11-03 02:22:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-03 02:22:56,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:22:56,191 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:22:56,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:22:56,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:22:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:22:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1538615749, now seen corresponding path program 1 times [2022-11-03 02:22:56,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:22:56,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658668178] [2022-11-03 02:22:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:22:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:22:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:22:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-11-03 02:22:58,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:22:58,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658668178] [2022-11-03 02:22:58,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658668178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:22:58,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:22:58,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:22:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653571197] [2022-11-03 02:22:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:22:58,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:22:58,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:22:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:22:58,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:22:58,511 INFO L87 Difference]: Start difference. First operand 20118 states and 29025 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:23:02,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:23:05,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:08,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:10,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:12,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:19,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:23:27,045 INFO L93 Difference]: Finished difference Result 23676 states and 34034 transitions. [2022-11-03 02:23:27,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:23:27,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 243 [2022-11-03 02:23:27,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:23:27,168 INFO L225 Difference]: With dead ends: 23676 [2022-11-03 02:23:27,169 INFO L226 Difference]: Without dead ends: 23674 [2022-11-03 02:23:27,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:23:27,183 INFO L413 NwaCegarLoop]: 5298 mSDtfsCounter, 5375 mSDsluCounter, 14450 mSDsCounter, 0 mSdLazyCounter, 2797 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5384 SdHoareTripleChecker+Valid, 17775 SdHoareTripleChecker+Invalid, 2801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2797 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:23:27,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5384 Valid, 17775 Invalid, 2801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2797 Invalid, 3 Unknown, 0 Unchecked, 27.6s Time] [2022-11-03 02:23:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23674 states. [2022-11-03 02:23:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23674 to 23668. [2022-11-03 02:23:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23668 states, 14449 states have (on average 1.314208595750571) internal successors, (18989), 14891 states have internal predecessors, (18989), 7506 states have call successors, (7506), 1715 states have call predecessors, (7506), 1710 states have return successors, (7533), 7353 states have call predecessors, (7533), 7502 states have call successors, (7533) [2022-11-03 02:23:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23668 states to 23668 states and 34028 transitions. [2022-11-03 02:23:28,637 INFO L78 Accepts]: Start accepts. Automaton has 23668 states and 34028 transitions. Word has length 243 [2022-11-03 02:23:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:23:28,638 INFO L495 AbstractCegarLoop]: Abstraction has 23668 states and 34028 transitions. [2022-11-03 02:23:28,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 02:23:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23668 states and 34028 transitions. [2022-11-03 02:23:28,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-03 02:23:28,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:23:28,646 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:23:28,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:23:28,646 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:23:28,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:23:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1404846011, now seen corresponding path program 1 times [2022-11-03 02:23:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:23:28,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735740805] [2022-11-03 02:23:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:23:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:23:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:23:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2022-11-03 02:23:31,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:31,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735740805] [2022-11-03 02:23:31,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735740805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:31,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:23:31,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:23:31,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997044610] [2022-11-03 02:23:31,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:31,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:23:31,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:31,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:23:31,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:23:31,142 INFO L87 Difference]: Start difference. First operand 23668 states and 34028 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:23:34,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:23:37,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:40,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:42,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:46,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:48,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:23:50,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:00,245 INFO L93 Difference]: Finished difference Result 29864 states and 42733 transitions. [2022-11-03 02:24:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:24:00,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 252 [2022-11-03 02:24:00,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:00,544 INFO L225 Difference]: With dead ends: 29864 [2022-11-03 02:24:00,545 INFO L226 Difference]: Without dead ends: 29862 [2022-11-03 02:24:00,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:24:00,560 INFO L413 NwaCegarLoop]: 5353 mSDtfsCounter, 5356 mSDsluCounter, 14575 mSDsCounter, 0 mSdLazyCounter, 2829 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5364 SdHoareTripleChecker+Valid, 17934 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2829 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:00,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5364 Valid, 17934 Invalid, 2834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2829 Invalid, 4 Unknown, 0 Unchecked, 28.0s Time] [2022-11-03 02:24:00,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29862 states. [2022-11-03 02:24:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29862 to 29856. [2022-11-03 02:24:02,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29856 states, 18256 states have (on average 1.313102541630149) internal successors, (23972), 18822 states have internal predecessors, (23972), 9358 states have call successors, (9358), 2244 states have call predecessors, (9358), 2239 states have return successors, (9397), 9173 states have call predecessors, (9397), 9354 states have call successors, (9397) [2022-11-03 02:24:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29856 states to 29856 states and 42727 transitions. [2022-11-03 02:24:02,394 INFO L78 Accepts]: Start accepts. Automaton has 29856 states and 42727 transitions. Word has length 252 [2022-11-03 02:24:02,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:02,395 INFO L495 AbstractCegarLoop]: Abstraction has 29856 states and 42727 transitions. [2022-11-03 02:24:02,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:24:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 29856 states and 42727 transitions. [2022-11-03 02:24:02,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-03 02:24:02,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:02,405 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 3, 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] [2022-11-03 02:24:02,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:24:02,406 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:24:02,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1326284235, now seen corresponding path program 1 times [2022-11-03 02:24:02,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:02,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236838692] [2022-11-03 02:24:02,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:02,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2022-11-03 02:24:05,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:05,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236838692] [2022-11-03 02:24:05,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236838692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:05,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:05,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:24:05,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673955740] [2022-11-03 02:24:05,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:05,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:24:05,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:05,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:24:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:24:05,020 INFO L87 Difference]: Start difference. First operand 29856 states and 42727 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 02:24:08,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:24:12,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:15,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:17,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:20,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:25,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:27,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:38,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:24:38,653 INFO L93 Difference]: Finished difference Result 54443 states and 78134 transitions. [2022-11-03 02:24:38,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:24:38,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 257 [2022-11-03 02:24:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:24:39,083 INFO L225 Difference]: With dead ends: 54443 [2022-11-03 02:24:39,084 INFO L226 Difference]: Without dead ends: 54439 [2022-11-03 02:24:39,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:24:39,111 INFO L413 NwaCegarLoop]: 6100 mSDtfsCounter, 5163 mSDsluCounter, 18703 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5164 SdHoareTripleChecker+Valid, 22413 SdHoareTripleChecker+Invalid, 3264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:24:39,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5164 Valid, 22413 Invalid, 3264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3256 Invalid, 5 Unknown, 0 Unchecked, 31.7s Time] [2022-11-03 02:24:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54439 states. [2022-11-03 02:24:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54439 to 54207. [2022-11-03 02:24:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54207 states, 33062 states have (on average 1.3114451636319642) internal successors, (43359), 34081 states have internal predecessors, (43359), 17000 states have call successors, (17000), 4192 states have call predecessors, (17000), 4142 states have return successors, (17464), 16565 states have call predecessors, (17464), 16992 states have call successors, (17464) [2022-11-03 02:24:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54207 states to 54207 states and 77823 transitions. [2022-11-03 02:24:42,131 INFO L78 Accepts]: Start accepts. Automaton has 54207 states and 77823 transitions. Word has length 257 [2022-11-03 02:24:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:24:42,132 INFO L495 AbstractCegarLoop]: Abstraction has 54207 states and 77823 transitions. [2022-11-03 02:24:42,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 02:24:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 54207 states and 77823 transitions. [2022-11-03 02:24:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-03 02:24:42,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:24:42,142 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:24:42,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:24:42,143 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:24:42,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:24:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1788369861, now seen corresponding path program 1 times [2022-11-03 02:24:42,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:24:42,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640705110] [2022-11-03 02:24:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:24:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:24:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:24:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-11-03 02:24:44,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:24:44,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640705110] [2022-11-03 02:24:44,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640705110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:24:44,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:24:44,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:24:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386268638] [2022-11-03 02:24:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:24:44,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:24:44,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:24:44,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:24:44,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:24:44,728 INFO L87 Difference]: Start difference. First operand 54207 states and 77823 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:24:48,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:24:51,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:54,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:56,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:24:58,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:00,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:03,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:05,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:07,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:09,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:11,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:13,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:15,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:20,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:22,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:25:31,251 INFO L93 Difference]: Finished difference Result 54219 states and 77832 transitions. [2022-11-03 02:25:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:25:31,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 262 [2022-11-03 02:25:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:25:31,498 INFO L225 Difference]: With dead ends: 54219 [2022-11-03 02:25:31,498 INFO L226 Difference]: Without dead ends: 54125 [2022-11-03 02:25:31,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:25:31,526 INFO L413 NwaCegarLoop]: 5453 mSDtfsCounter, 5356 mSDsluCounter, 14815 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5362 SdHoareTripleChecker+Valid, 18234 SdHoareTripleChecker+Invalid, 2891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:25:31,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5362 Valid, 18234 Invalid, 2891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2881 Invalid, 9 Unknown, 0 Unchecked, 44.3s Time] [2022-11-03 02:25:31,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54125 states. [2022-11-03 02:25:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54125 to 54119. [2022-11-03 02:25:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54119 states, 33038 states have (on average 1.31091470427992) internal successors, (43310), 34033 states have internal predecessors, (43310), 16944 states have call successors, (16944), 4179 states have call predecessors, (16944), 4134 states have return successors, (17412), 16538 states have call predecessors, (17412), 16940 states have call successors, (17412) [2022-11-03 02:25:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54119 states to 54119 states and 77666 transitions. [2022-11-03 02:25:34,457 INFO L78 Accepts]: Start accepts. Automaton has 54119 states and 77666 transitions. Word has length 262 [2022-11-03 02:25:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:25:34,458 INFO L495 AbstractCegarLoop]: Abstraction has 54119 states and 77666 transitions. [2022-11-03 02:25:34,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 02:25:34,459 INFO L276 IsEmpty]: Start isEmpty. Operand 54119 states and 77666 transitions. [2022-11-03 02:25:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-03 02:25:34,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:25:34,470 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 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] [2022-11-03 02:25:34,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:25:34,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:25:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:25:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash 160528995, now seen corresponding path program 1 times [2022-11-03 02:25:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:25:34,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081223809] [2022-11-03 02:25:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:25:34,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:25:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:25:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1401 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-11-03 02:25:35,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:25:35,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081223809] [2022-11-03 02:25:35,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081223809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:25:35,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:25:35,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:25:35,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181580853] [2022-11-03 02:25:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:25:35,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:25:35,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:25:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:25:35,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:25:35,690 INFO L87 Difference]: Start difference. First operand 54119 states and 77666 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 02:25:40,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:25:42,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:45,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:47,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:25:53,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:00,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:05,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:05,985 INFO L93 Difference]: Finished difference Result 121816 states and 175131 transitions. [2022-11-03 02:26:05,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:26:05,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 266 [2022-11-03 02:26:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:06,440 INFO L225 Difference]: With dead ends: 121816 [2022-11-03 02:26:06,440 INFO L226 Difference]: Without dead ends: 68193 [2022-11-03 02:26:06,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:26:06,947 INFO L413 NwaCegarLoop]: 8407 mSDtfsCounter, 4686 mSDsluCounter, 5391 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 13044 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:06,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4688 Valid, 13044 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2194 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2022-11-03 02:26:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68193 states. [2022-11-03 02:26:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68193 to 68160. [2022-11-03 02:26:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68160 states, 41687 states have (on average 1.3135269988245737) internal successors, (54757), 42926 states have internal predecessors, (54757), 21346 states have call successors, (21346), 5184 states have call predecessors, (21346), 5124 states have return successors, (21890), 20824 states have call predecessors, (21890), 21342 states have call successors, (21890) [2022-11-03 02:26:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68160 states to 68160 states and 97993 transitions. [2022-11-03 02:26:10,842 INFO L78 Accepts]: Start accepts. Automaton has 68160 states and 97993 transitions. Word has length 266 [2022-11-03 02:26:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:10,842 INFO L495 AbstractCegarLoop]: Abstraction has 68160 states and 97993 transitions. [2022-11-03 02:26:10,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 02:26:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 68160 states and 97993 transitions. [2022-11-03 02:26:10,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-03 02:26:10,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:10,855 INFO L195 NwaCegarLoop]: trace histogram [23, 18, 18, 18, 18, 18, 18, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:10,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:26:10,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:26:10,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:10,856 INFO L85 PathProgramCache]: Analyzing trace with hash -24154664, now seen corresponding path program 1 times [2022-11-03 02:26:10,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:10,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219510252] [2022-11-03 02:26:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2022-11-03 02:26:12,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:12,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219510252] [2022-11-03 02:26:12,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219510252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:12,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:12,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:26:12,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402594475] [2022-11-03 02:26:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:12,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:26:12,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:26:12,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:26:12,029 INFO L87 Difference]: Start difference. First operand 68160 states and 97993 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 02:26:16,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:19,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:23,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:25,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:31,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:26:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:26:43,329 INFO L93 Difference]: Finished difference Result 160447 states and 230989 transitions. [2022-11-03 02:26:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:26:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 268 [2022-11-03 02:26:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:26:43,812 INFO L225 Difference]: With dead ends: 160447 [2022-11-03 02:26:43,812 INFO L226 Difference]: Without dead ends: 92783 [2022-11-03 02:26:44,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:26:44,314 INFO L413 NwaCegarLoop]: 9267 mSDtfsCounter, 5330 mSDsluCounter, 5432 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5336 SdHoareTripleChecker+Valid, 13939 SdHoareTripleChecker+Invalid, 2304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:26:44,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5336 Valid, 13939 Invalid, 2304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2295 Invalid, 5 Unknown, 0 Unchecked, 26.2s Time] [2022-11-03 02:26:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92783 states. [2022-11-03 02:26:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92783 to 92734. [2022-11-03 02:26:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92734 states, 56669 states have (on average 1.3137517866911363) internal successors, (74449), 58355 states have internal predecessors, (74449), 29191 states have call successors, (29191), 6954 states have call predecessors, (29191), 6871 states have return successors, (29940), 28461 states have call predecessors, (29940), 29187 states have call successors, (29940) [2022-11-03 02:26:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92734 states to 92734 states and 133580 transitions. [2022-11-03 02:26:49,846 INFO L78 Accepts]: Start accepts. Automaton has 92734 states and 133580 transitions. Word has length 268 [2022-11-03 02:26:49,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:26:49,847 INFO L495 AbstractCegarLoop]: Abstraction has 92734 states and 133580 transitions. [2022-11-03 02:26:49,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-03 02:26:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 92734 states and 133580 transitions. [2022-11-03 02:26:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-03 02:26:49,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:26:49,862 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:26:49,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:26:49,862 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:26:49,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:26:49,863 INFO L85 PathProgramCache]: Analyzing trace with hash 490273932, now seen corresponding path program 1 times [2022-11-03 02:26:49,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:26:49,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939324217] [2022-11-03 02:26:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:26:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:26:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:26:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2022-11-03 02:26:51,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:26:51,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939324217] [2022-11-03 02:26:51,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939324217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:26:51,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:26:51,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:26:51,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688283585] [2022-11-03 02:26:51,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:26:51,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:26:51,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:26:51,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:26:51,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:26:51,246 INFO L87 Difference]: Start difference. First operand 92734 states and 133580 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-03 02:26:57,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:26:59,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:01,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:04,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:27:08,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:12,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:14,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:18,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:20,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:32,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:34,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:27:52,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:27:52,709 INFO L93 Difference]: Finished difference Result 209681 states and 302286 transitions. [2022-11-03 02:27:52,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:27:52,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 292 [2022-11-03 02:27:52,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:27:53,351 INFO L225 Difference]: With dead ends: 209681 [2022-11-03 02:27:53,351 INFO L226 Difference]: Without dead ends: 117443 [2022-11-03 02:27:53,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:27:53,661 INFO L413 NwaCegarLoop]: 9277 mSDtfsCounter, 5330 mSDsluCounter, 27004 mSDsCounter, 0 mSdLazyCounter, 5333 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5338 SdHoareTripleChecker+Valid, 32499 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5333 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:27:53,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5338 Valid, 32499 Invalid, 5342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5333 Invalid, 8 Unknown, 0 Unchecked, 54.4s Time] [2022-11-03 02:27:53,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117443 states. [2022-11-03 02:27:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117443 to 117320. [2022-11-03 02:27:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117320 states, 71651 states have (on average 1.3138825696780225) internal successors, (94141), 73784 states have internal predecessors, (94141), 37036 states have call successors, (37036), 8724 states have call predecessors, (37036), 8630 states have return successors, (38026), 36110 states have call predecessors, (38026), 37032 states have call successors, (38026) [2022-11-03 02:28:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117320 states to 117320 states and 169203 transitions. [2022-11-03 02:28:00,462 INFO L78 Accepts]: Start accepts. Automaton has 117320 states and 169203 transitions. Word has length 292 [2022-11-03 02:28:00,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:28:00,464 INFO L495 AbstractCegarLoop]: Abstraction has 117320 states and 169203 transitions. [2022-11-03 02:28:00,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-03 02:28:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 117320 states and 169203 transitions. [2022-11-03 02:28:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-03 02:28:00,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:28:00,477 INFO L195 NwaCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:28:00,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:28:00,478 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 02:28:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:28:00,478 INFO L85 PathProgramCache]: Analyzing trace with hash -470600145, now seen corresponding path program 1 times [2022-11-03 02:28:00,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:28:00,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996830995] [2022-11-03 02:28:00,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:28:00,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:28:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:28:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2022-11-03 02:28:01,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:28:01,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996830995] [2022-11-03 02:28:01,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996830995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:28:01,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:28:01,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:28:01,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694463893] [2022-11-03 02:28:01,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:28:01,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:28:01,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:28:01,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:28:01,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:28:01,485 INFO L87 Difference]: Start difference. First operand 117320 states and 169203 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31)