./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW --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 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- 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-4e7fbc6 [2022-11-23 15:48:00,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:48:00,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:48:00,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:48:00,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:48:00,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:48:00,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:48:00,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:48:00,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:48:00,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:48:00,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:48:00,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:48:00,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:48:00,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:48:00,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:48:00,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:48:00,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:48:00,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:48:00,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:48:00,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:48:00,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:48:00,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:48:01,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:48:01,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:48:01,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:48:01,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:48:01,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:48:01,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:48:01,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:48:01,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:48:01,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:48:01,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:48:01,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:48:01,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:48:01,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:48:01,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:48:01,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:48:01,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:48:01,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:48:01,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:48:01,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:48:01,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:48:01,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:48:01,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:48:01,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:48:01,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:48:01,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:48:01,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:48:01,064 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:48:01,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:48:01,064 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:48:01,065 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:48:01,066 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:48:01,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:48:01,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:48:01,066 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:48:01,066 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:48:01,067 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:48:01,067 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:48:01,067 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:48:01,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:48:01,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:48:01,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:48:01,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:48:01,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:48:01,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:48:01,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:48:01,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:48:01,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:48:01,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:48:01,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:48:01,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:48:01,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:48:01,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:48:01,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:48:01,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:48:01,072 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:48:01,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:48:01,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:48:01,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:48:01,072 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2022-11-23 15:48:01,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:48:01,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:48:01,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:48:01,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:48:01,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:48:01,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:48:04,272 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:48:05,157 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:48:05,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:48:05,229 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/data/65b303dfb/c03385e7c30e4764bf5f1033ebf30f49/FLAG79b7ba530 [2022-11-23 15:48:05,247 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/data/65b303dfb/c03385e7c30e4764bf5f1033ebf30f49 [2022-11-23 15:48:05,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:48:05,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:48:05,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:48:05,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:48:05,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:48:05,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:05" (1/1) ... [2022-11-23 15:48:05,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1815688a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:05, skipping insertion in model container [2022-11-23 15:48:05,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:05" (1/1) ... [2022-11-23 15:48:05,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:48:05,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:48:12,026 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2022-11-23 15:48:12,030 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2022-11-23 15:48:12,030 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2022-11-23 15:48:12,031 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2022-11-23 15:48:12,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:48:12,187 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:48:12,963 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2022-11-23 15:48:12,968 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2022-11-23 15:48:12,969 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2022-11-23 15:48:12,970 WARN L237 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_ebe607a3-d758-49b2-8d4b-69bae7dda407/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2022-11-23 15:48:12,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:48:13,312 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:48:13,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13 WrapperNode [2022-11-23 15:48:13,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:48:13,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:48:13,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:48:13,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:48:13,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:13,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:13,964 INFO L138 Inliner]: procedures = 722, calls = 8428, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16688 [2022-11-23 15:48:13,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:48:13,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:48:13,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:48:13,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:48:13,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:13,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:14,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:15,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:48:15,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:48:15,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:48:15,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:48:15,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (1/1) ... [2022-11-23 15:48:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:48:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:48:15,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:48:15,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:48:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:48:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:48:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-23 15:48:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-23 15:48:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-23 15:48:15,106 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-23 15:48:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-23 15:48:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-23 15:48:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 15:48:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 15:48:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 15:48:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 15:48:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-23 15:48:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-23 15:48:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:48:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:48:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:48:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:48:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:48:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:48:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-23 15:48:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-23 15:48:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-23 15:48:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-23 15:48:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 15:48:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 15:48:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-23 15:48:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-23 15:48:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-23 15:48:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-23 15:48:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:48:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:48:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-23 15:48:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-23 15:48:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-23 15:48:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-23 15:48:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-23 15:48:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-23 15:48:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-23 15:48:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-23 15:48:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2022-11-23 15:48:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2022-11-23 15:48:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-23 15:48:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-23 15:48:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 15:48:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 15:48:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-23 15:48:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-23 15:48:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-23 15:48:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-23 15:48:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:48:15,117 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:48:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:48:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:48:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:48:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:48:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-23 15:48:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-23 15:48:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-23 15:48:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-23 15:48:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-23 15:48:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-23 15:48:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 15:48:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 15:48:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-23 15:48:15,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-23 15:48:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:48:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:48:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-23 15:48:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-23 15:48:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-23 15:48:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-23 15:48:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-23 15:48:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-23 15:48:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-23 15:48:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-23 15:48:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2022-11-23 15:48:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2022-11-23 15:48:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:48:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:48:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:48:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:48:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:48:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:48:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:48:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:48:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:48:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:48:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:48:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:48:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:48:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-23 15:48:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-23 15:48:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-23 15:48:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-23 15:48:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 15:48:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 15:48:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:48:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-23 15:48:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-23 15:48:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-23 15:48:15,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-23 15:48:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:48:15,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:48:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 15:48:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 15:48:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-23 15:48:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-23 15:48:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 15:48:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 15:48:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-23 15:48:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-23 15:48:15,138 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:48:15,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:48:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:48:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:48:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:48:15,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:48:15,144 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-23 15:48:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-23 15:48:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:48:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 15:48:15,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 15:48:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-23 15:48:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-23 15:48:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-23 15:48:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-23 15:48:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-23 15:48:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-23 15:48:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:48:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:48:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-23 15:48:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-23 15:48:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:48:15,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:48:15,147 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-23 15:48:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-23 15:48:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:48:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:48:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:48:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-23 15:48:15,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-23 15:48:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-23 15:48:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-23 15:48:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-23 15:48:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-23 15:48:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-23 15:48:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-23 15:48:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:48:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:48:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:48:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-23 15:48:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-23 15:48:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:48:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:48:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-23 15:48:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-23 15:48:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:48:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:48:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-23 15:48:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-23 15:48:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-23 15:48:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-23 15:48:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-23 15:48:15,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-23 15:48:15,152 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 15:48:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 15:48:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:48:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:48:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-23 15:48:15,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-23 15:48:15,153 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2022-11-23 15:48:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2022-11-23 15:48:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:48:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:48:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-23 15:48:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-23 15:48:15,154 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 15:48:15,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 15:48:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-23 15:48:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-23 15:48:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-23 15:48:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-23 15:48:15,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:48:15,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:48:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-23 15:48:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-23 15:48:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-23 15:48:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-23 15:48:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-23 15:48:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-23 15:48:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 15:48:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 15:48:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-23 15:48:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-23 15:48:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:48:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:48:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-23 15:48:15,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-23 15:48:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-23 15:48:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-23 15:48:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-23 15:48:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-23 15:48:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-23 15:48:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-23 15:48:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-23 15:48:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-23 15:48:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:48:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2022-11-23 15:48:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2022-11-23 15:48:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 15:48:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 15:48:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:48:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:48:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 15:48:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 15:48:15,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-23 15:48:15,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-23 15:48:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:48:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:48:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:48:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:48:15,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:48:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:48:15,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 15:48:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 15:48:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:48:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-23 15:48:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-23 15:48:15,162 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-23 15:48:15,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-23 15:48:15,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:48:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:48:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-23 15:48:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-23 15:48:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 15:48:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 15:48:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:48:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:48:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-23 15:48:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-23 15:48:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-23 15:48:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-23 15:48:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:48:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:48:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:48:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:48:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-23 15:48:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-23 15:48:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-23 15:48:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-23 15:48:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-23 15:48:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-23 15:48:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-23 15:48:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-23 15:48:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:48:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:48:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:48:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:48:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-23 15:48:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-23 15:48:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-23 15:48:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-23 15:48:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:48:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:48:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:48:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:48:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-23 15:48:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-23 15:48:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-23 15:48:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-23 15:48:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 15:48:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 15:48:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 15:48:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 15:48:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-23 15:48:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-23 15:48:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:48:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:48:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:48:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:48:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:48:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:48:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-23 15:48:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-23 15:48:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-23 15:48:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-23 15:48:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-23 15:48:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-23 15:48:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-23 15:48:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-23 15:48:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-23 15:48:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-23 15:48:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 15:48:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 15:48:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-23 15:48:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-23 15:48:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:48:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:48:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-23 15:48:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-23 15:48:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 15:48:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 15:48:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-23 15:48:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-23 15:48:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:48:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:48:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:48:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:48:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:48:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:48:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-23 15:48:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-23 15:48:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:48:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:48:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 15:48:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 15:48:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-23 15:48:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-23 15:48:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:48:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:48:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 15:48:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2022-11-23 15:48:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2022-11-23 15:48:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 15:48:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 15:48:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:48:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:48:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:48:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:48:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-23 15:48:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-23 15:48:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-23 15:48:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-23 15:48:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 15:48:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 15:48:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:48:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:48:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:48:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:48:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-23 15:48:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-23 15:48:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:48:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:48:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-23 15:48:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-23 15:48:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 15:48:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 15:48:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-23 15:48:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-23 15:48:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-23 15:48:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-23 15:48:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 15:48:15,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 15:48:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:48:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:48:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-23 15:48:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-23 15:48:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-23 15:48:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-23 15:48:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 15:48:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 15:48:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:48:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:48:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:48:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-23 15:48:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-23 15:48:15,188 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-23 15:48:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-23 15:48:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-23 15:48:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-23 15:48:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:48:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:48:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-23 15:48:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-23 15:48:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:48:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:48:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-23 15:48:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-23 15:48:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:48:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-23 15:48:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-23 15:48:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-23 15:48:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-23 15:48:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-23 15:48:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-23 15:48:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-23 15:48:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-23 15:48:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-23 15:48:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-23 15:48:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-23 15:48:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-23 15:48:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-23 15:48:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-23 15:48:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:48:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-23 15:48:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-23 15:48:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-23 15:48:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-23 15:48:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:48:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:48:15,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:48:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:48:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-23 15:48:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-23 15:48:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-23 15:48:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-23 15:48:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:48:15,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:48:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-23 15:48:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-23 15:48:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:48:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:48:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-23 15:48:15,196 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-23 15:48:15,196 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:48:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:48:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-23 15:48:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-23 15:48:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:48:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:48:15,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-23 15:48:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-23 15:48:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-23 15:48:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-23 15:48:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-23 15:48:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-23 15:48:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:48:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:48:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-23 15:48:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-23 15:48:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-23 15:48:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-23 15:48:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-23 15:48:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-23 15:48:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-23 15:48:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-23 15:48:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-23 15:48:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-23 15:48:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 15:48:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 15:48:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:48:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:48:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 15:48:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 15:48:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:48:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:48:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:48:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:48:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-23 15:48:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-23 15:48:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-23 15:48:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-23 15:48:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:48:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:48:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-23 15:48:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-23 15:48:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-23 15:48:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-23 15:48:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-23 15:48:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-23 15:48:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-23 15:48:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-23 15:48:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-23 15:48:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2022-11-23 15:48:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-23 15:48:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2022-11-23 15:48:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:48:15,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:48:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:48:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:48:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-23 15:48:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-23 15:48:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:48:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-23 15:48:15,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-23 15:48:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:48:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:48:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-23 15:48:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-23 15:48:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-23 15:48:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-23 15:48:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-23 15:48:15,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-23 15:48:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-23 15:48:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-23 15:48:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:48:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:48:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-23 15:48:15,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-23 15:48:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-23 15:48:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-23 15:48:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:48:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:48:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 15:48:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 15:48:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 15:48:15,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 15:48:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-23 15:48:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-23 15:48:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 15:48:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 15:48:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 15:48:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 15:48:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-23 15:48:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-23 15:48:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-23 15:48:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-23 15:48:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-23 15:48:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-23 15:48:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-23 15:48:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-23 15:48:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:48:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:48:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:48:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:48:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-23 15:48:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-23 15:48:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-23 15:48:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-23 15:48:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 15:48:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 15:48:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:48:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:48:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:48:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:48:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:48:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:48:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 15:48:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 15:48:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:48:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:48:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:48:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-23 15:48:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-23 15:48:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-23 15:48:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-23 15:48:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-23 15:48:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-23 15:48:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-23 15:48:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-23 15:48:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:48:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:48:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-23 15:48:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-23 15:48:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-23 15:48:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-23 15:48:17,063 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:48:17,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:48:17,644 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:50:55,650 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:51:04,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:51:04,074 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-23 15:51:04,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:04 BoogieIcfgContainer [2022-11-23 15:51:04,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:51:04,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:51:04,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:51:04,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:51:04,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:48:05" (1/3) ... [2022-11-23 15:51:04,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee6f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:04, skipping insertion in model container [2022-11-23 15:51:04,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:13" (2/3) ... [2022-11-23 15:51:04,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee6f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:04, skipping insertion in model container [2022-11-23 15:51:04,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:04" (3/3) ... [2022-11-23 15:51:04,091 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:51:04,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:51:04,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 15:51:04,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:51:04,263 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;@2c5b6146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:51:04,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 15:51:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 4486 states, 2691 states have (on average 1.285024154589372) internal successors, (3458), 2789 states have internal predecessors, (3458), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) [2022-11-23 15:51:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 15:51:04,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:04,293 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 15:51:04,293 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)] === [2022-11-23 15:51:04,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash -972944914, now seen corresponding path program 1 times [2022-11-23 15:51:04,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:04,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616290108] [2022-11-23 15:51:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:51:06,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:06,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616290108] [2022-11-23 15:51:06,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616290108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:06,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:06,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:51:06,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595834791] [2022-11-23 15:51:06,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:07,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:51:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:07,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:51:07,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:51:07,060 INFO L87 Difference]: Start difference. First operand has 4486 states, 2691 states have (on average 1.285024154589372) internal successors, (3458), 2789 states have internal predecessors, (3458), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 15:51:13,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:15,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:17,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:19,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:25,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:30,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:33,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:35,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:40,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:50,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:52,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:54,927 INFO L93 Difference]: Finished difference Result 13165 states and 19346 transitions. [2022-11-23 15:51:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:51:54,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-23 15:51:54,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:55,031 INFO L225 Difference]: With dead ends: 13165 [2022-11-23 15:51:55,031 INFO L226 Difference]: Without dead ends: 8676 [2022-11-23 15:51:55,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:51:55,094 INFO L413 NwaCegarLoop]: 7558 mSDtfsCounter, 6183 mSDsluCounter, 20939 mSDsCounter, 0 mSdLazyCounter, 2712 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6189 SdHoareTripleChecker+Valid, 28497 SdHoareTripleChecker+Invalid, 2725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2712 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:55,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6189 Valid, 28497 Invalid, 2725 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 2712 Invalid, 10 Unknown, 0 Unchecked, 46.9s Time] [2022-11-23 15:51:55,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8676 states. [2022-11-23 15:51:55,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8676 to 8629. [2022-11-23 15:51:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8629 states, 5179 states have (on average 1.2817146167213749) internal successors, (6638), 5359 states have internal predecessors, (6638), 2939 states have call successors, (2939), 511 states have call predecessors, (2939), 508 states have return successors, (3010), 2887 states have call predecessors, (3010), 2933 states have call successors, (3010) [2022-11-23 15:51:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8629 states to 8629 states and 12587 transitions. [2022-11-23 15:51:55,904 INFO L78 Accepts]: Start accepts. Automaton has 8629 states and 12587 transitions. Word has length 35 [2022-11-23 15:51:55,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:55,905 INFO L495 AbstractCegarLoop]: Abstraction has 8629 states and 12587 transitions. [2022-11-23 15:51:55,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 15:51:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8629 states and 12587 transitions. [2022-11-23 15:51:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 15:51:55,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:55,911 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 15:51:55,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:51:55,911 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-11-23 15:51:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1625300034, now seen corresponding path program 1 times [2022-11-23 15:51:55,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:55,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535357221] [2022-11-23 15:51:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:51:57,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:57,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535357221] [2022-11-23 15:51:57,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535357221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:57,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:57,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:51:57,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599097693] [2022-11-23 15:51:57,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:57,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:51:57,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:57,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:51:57,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:51:57,827 INFO L87 Difference]: Start difference. First operand 8629 states and 12587 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:52:05,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:13,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:14,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:17,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:20,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:23,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:26,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:28,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:36,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:39,114 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 [] [2022-11-23 15:52:40,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:40,791 INFO L93 Difference]: Finished difference Result 15541 states and 22566 transitions. [2022-11-23 15:52:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:52:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-23 15:52:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:40,910 INFO L225 Difference]: With dead ends: 15541 [2022-11-23 15:52:40,910 INFO L226 Difference]: Without dead ends: 15539 [2022-11-23 15:52:40,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:52:40,926 INFO L413 NwaCegarLoop]: 7083 mSDtfsCounter, 6191 mSDsluCounter, 19201 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 26284 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:40,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 26284 Invalid, 2537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2530 Invalid, 6 Unknown, 0 Unchecked, 42.1s Time] [2022-11-23 15:52:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15539 states. [2022-11-23 15:52:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15539 to 15529. [2022-11-23 15:52:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15529 states, 9349 states have (on average 1.2802438763504118) internal successors, (11969), 9665 states have internal predecessors, (11969), 5236 states have call successors, (5236), 943 states have call predecessors, (5236), 941 states have return successors, (5350), 5149 states have call predecessors, (5350), 5230 states have call successors, (5350) [2022-11-23 15:52:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15529 states to 15529 states and 22555 transitions. [2022-11-23 15:52:42,026 INFO L78 Accepts]: Start accepts. Automaton has 15529 states and 22555 transitions. Word has length 40 [2022-11-23 15:52:42,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:42,027 INFO L495 AbstractCegarLoop]: Abstraction has 15529 states and 22555 transitions. [2022-11-23 15:52:42,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:52:42,027 INFO L276 IsEmpty]: Start isEmpty. Operand 15529 states and 22555 transitions. [2022-11-23 15:52:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-23 15:52:42,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:42,029 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-23 15:52:42,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:52:42,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-11-23 15:52:42,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:42,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1846398580, now seen corresponding path program 1 times [2022-11-23 15:52:42,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:42,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704661285] [2022-11-23 15:52:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:43,733 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:52:43,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:43,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704661285] [2022-11-23 15:52:43,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704661285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:43,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:43,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:52:43,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321871542] [2022-11-23 15:52:43,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:43,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:52:43,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:52:43,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:43,736 INFO L87 Difference]: Start difference. First operand 15529 states and 22555 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:52:50,768 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 [] [2022-11-23 15:52:57,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:59,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:03,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:06,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:11,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:21,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:23,416 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 [] [2022-11-23 15:53:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:53:25,164 INFO L93 Difference]: Finished difference Result 15550 states and 22572 transitions. [2022-11-23 15:53:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:53:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2022-11-23 15:53:25,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:53:25,275 INFO L225 Difference]: With dead ends: 15550 [2022-11-23 15:53:25,276 INFO L226 Difference]: Without dead ends: 15546 [2022-11-23 15:53:25,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:53:25,291 INFO L413 NwaCegarLoop]: 7083 mSDtfsCounter, 6188 mSDsluCounter, 19201 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6196 SdHoareTripleChecker+Valid, 26284 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:53:25,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6196 Valid, 26284 Invalid, 2537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2530 Invalid, 6 Unknown, 0 Unchecked, 40.6s Time] [2022-11-23 15:53:25,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15546 states. [2022-11-23 15:53:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15546 to 15539. [2022-11-23 15:53:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15539 states, 9357 states have (on average 1.2798974030137864) internal successors, (11976), 9671 states have internal predecessors, (11976), 5236 states have call successors, (5236), 945 states have call predecessors, (5236), 943 states have return successors, (5350), 5151 states have call predecessors, (5350), 5230 states have call successors, (5350) [2022-11-23 15:53:26,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15539 states to 15539 states and 22562 transitions. [2022-11-23 15:53:26,318 INFO L78 Accepts]: Start accepts. Automaton has 15539 states and 22562 transitions. Word has length 51 [2022-11-23 15:53:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:53:26,318 INFO L495 AbstractCegarLoop]: Abstraction has 15539 states and 22562 transitions. [2022-11-23 15:53:26,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:53:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 15539 states and 22562 transitions. [2022-11-23 15:53:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 15:53:26,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:26,323 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:26,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:53:26,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-11-23 15:53:26,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:26,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1598934408, now seen corresponding path program 1 times [2022-11-23 15:53:26,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:26,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660131118] [2022-11-23 15:53:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:26,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 15:53:28,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:28,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660131118] [2022-11-23 15:53:28,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660131118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:28,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:53:28,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:53:28,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669590031] [2022-11-23 15:53:28,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:28,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:53:28,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:53:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:28,022 INFO L87 Difference]: Start difference. First operand 15539 states and 22562 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:53:34,395 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 [] [2022-11-23 15:53:41,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:43,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:44,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:47,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:51,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:55,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:03,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:06,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:09,225 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 [] [2022-11-23 15:54:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:11,877 INFO L93 Difference]: Finished difference Result 22443 states and 32525 transitions. [2022-11-23 15:54:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:54:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-23 15:54:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:12,026 INFO L225 Difference]: With dead ends: 22443 [2022-11-23 15:54:12,026 INFO L226 Difference]: Without dead ends: 22401 [2022-11-23 15:54:12,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:54:12,050 INFO L413 NwaCegarLoop]: 7084 mSDtfsCounter, 6189 mSDsluCounter, 19203 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6194 SdHoareTripleChecker+Valid, 26287 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:12,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6194 Valid, 26287 Invalid, 2537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2530 Invalid, 6 Unknown, 0 Unchecked, 42.8s Time] [2022-11-23 15:54:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22401 states. [2022-11-23 15:54:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22401 to 22390. [2022-11-23 15:54:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22390 states, 13499 states have (on average 1.2797244240314096) internal successors, (17275), 13946 states have internal predecessors, (17275), 7522 states have call successors, (7522), 1366 states have call predecessors, (7522), 1366 states have return successors, (7673), 7406 states have call predecessors, (7673), 7519 states have call successors, (7673) [2022-11-23 15:54:13,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22390 states to 22390 states and 32470 transitions. [2022-11-23 15:54:13,559 INFO L78 Accepts]: Start accepts. Automaton has 22390 states and 32470 transitions. Word has length 56 [2022-11-23 15:54:13,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:13,559 INFO L495 AbstractCegarLoop]: Abstraction has 22390 states and 32470 transitions. [2022-11-23 15:54:13,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:54:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22390 states and 32470 transitions. [2022-11-23 15:54:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 15:54:13,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:13,567 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 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] [2022-11-23 15:54:13,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:54:13,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-23 15:54:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 475919637, now seen corresponding path program 1 times [2022-11-23 15:54:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:13,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336273662] [2022-11-23 15:54:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-23 15:54:16,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:16,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336273662] [2022-11-23 15:54:16,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336273662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:16,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:16,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:54:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107817942] [2022-11-23 15:54:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:16,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:54:16,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:54:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:54:16,116 INFO L87 Difference]: Start difference. First operand 22390 states and 32470 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:54:23,003 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 [] [2022-11-23 15:54:29,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:34,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:38,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:43,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:47,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:58,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:00,969 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 [] [2022-11-23 15:55:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:03,257 INFO L93 Difference]: Finished difference Result 22510 states and 32619 transitions. [2022-11-23 15:55:03,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:55:03,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2022-11-23 15:55:03,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:03,425 INFO L225 Difference]: With dead ends: 22510 [2022-11-23 15:55:03,425 INFO L226 Difference]: Without dead ends: 22508 [2022-11-23 15:55:03,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:55:03,449 INFO L413 NwaCegarLoop]: 7591 mSDtfsCounter, 6114 mSDsluCounter, 20981 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6117 SdHoareTripleChecker+Valid, 28572 SdHoareTripleChecker+Invalid, 2768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:03,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6117 Valid, 28572 Invalid, 2768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2759 Invalid, 7 Unknown, 0 Unchecked, 46.2s Time] [2022-11-23 15:55:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22508 states. [2022-11-23 15:55:04,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22508 to 22431. [2022-11-23 15:55:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22431 states, 13518 states have (on average 1.279331262021009) internal successors, (17294), 13974 states have internal predecessors, (17294), 7541 states have call successors, (7541), 1378 states have call predecessors, (7541), 1369 states have return successors, (7692), 7407 states have call predecessors, (7692), 7538 states have call successors, (7692) [2022-11-23 15:55:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 32527 transitions. [2022-11-23 15:55:04,954 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 32527 transitions. Word has length 99 [2022-11-23 15:55:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:04,957 INFO L495 AbstractCegarLoop]: Abstraction has 22431 states and 32527 transitions. [2022-11-23 15:55:04,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:55:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 32527 transitions. [2022-11-23 15:55:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 15:55:04,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:04,962 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 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] [2022-11-23 15:55:04,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:55:04,962 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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)] === [2022-11-23 15:55:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1932765044, now seen corresponding path program 1 times [2022-11-23 15:55:04,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:04,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452510650] [2022-11-23 15:55:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:04,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-23 15:55:06,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:06,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452510650] [2022-11-23 15:55:06,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452510650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:06,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:06,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:55:06,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530365265] [2022-11-23 15:55:06,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:06,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:55:06,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:06,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:55:06,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:55:06,711 INFO L87 Difference]: Start difference. First operand 22431 states and 32527 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 15:55:16,085 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 [] [2022-11-23 15:55:23,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:25,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:26,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:35,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:40,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:45,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:50,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:53,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:05,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:08,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:14,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:14,401 INFO L93 Difference]: Finished difference Result 33062 states and 47942 transitions. [2022-11-23 15:56:14,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:56:14,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2022-11-23 15:56:14,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:14,658 INFO L225 Difference]: With dead ends: 33062 [2022-11-23 15:56:14,659 INFO L226 Difference]: Without dead ends: 33060 [2022-11-23 15:56:14,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:56:14,697 INFO L413 NwaCegarLoop]: 10308 mSDtfsCounter, 5328 mSDsluCounter, 26358 mSDsCounter, 0 mSdLazyCounter, 4081 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5329 SdHoareTripleChecker+Valid, 36666 SdHoareTripleChecker+Invalid, 4088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4081 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:14,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5329 Valid, 36666 Invalid, 4088 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4081 Invalid, 7 Unknown, 0 Unchecked, 66.4s Time] [2022-11-23 15:56:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33060 states. [2022-11-23 15:56:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33060 to 33010. [2022-11-23 15:56:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33010 states, 19914 states have (on average 1.279200562418399) internal successors, (25474), 20564 states have internal predecessors, (25474), 11073 states have call successors, (11073), 2033 states have call predecessors, (11073), 2020 states have return successors, (11324), 10885 states have call predecessors, (11324), 11070 states have call successors, (11324) [2022-11-23 15:56:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33010 states to 33010 states and 47871 transitions. [2022-11-23 15:56:16,740 INFO L78 Accepts]: Start accepts. Automaton has 33010 states and 47871 transitions. Word has length 109 [2022-11-23 15:56:16,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:16,741 INFO L495 AbstractCegarLoop]: Abstraction has 33010 states and 47871 transitions. [2022-11-23 15:56:16,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-23 15:56:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 33010 states and 47871 transitions. [2022-11-23 15:56:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-23 15:56:16,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:16,759 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 15:56:16,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:56:16,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-23 15:56:16,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:16,760 INFO L85 PathProgramCache]: Analyzing trace with hash 810755314, now seen corresponding path program 1 times [2022-11-23 15:56:16,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:16,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142648099] [2022-11-23 15:56:16,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-23 15:56:50,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:50,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142648099] [2022-11-23 15:56:50,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142648099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:56:50,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493081458] [2022-11-23 15:56:50,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:50,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:50,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:50,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:56:50,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:56:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:54,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 7565 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-23 15:56:54,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-23 15:56:54,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:56:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-23 15:56:55,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493081458] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:56:55,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1211234819] [2022-11-23 15:56:55,860 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2022-11-23 15:56:55,861 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:56:55,867 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-23 15:56:55,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:56:55,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2022-11-23 15:56:55,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239202646] [2022-11-23 15:56:55,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 15:56:55,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 15:56:55,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:55,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 15:56:55,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:56:55,875 INFO L87 Difference]: Start difference. First operand 33010 states and 47871 transitions. Second operand has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2022-11-23 15:57:08,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:09,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:15,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:17,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:26,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:29,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:31,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:33,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:35,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:37,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:39,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:40,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:45,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:57,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:58,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:01,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:02,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:06,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:11,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:13,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:19,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:20,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:37,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:40,294 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 [] [2022-11-23 15:58:46,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:46,130 INFO L93 Difference]: Finished difference Result 64690 states and 93675 transitions. [2022-11-23 15:58:46,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:58:46,131 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) Word has length 162 [2022-11-23 15:58:46,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:46,512 INFO L225 Difference]: With dead ends: 64690 [2022-11-23 15:58:46,512 INFO L226 Difference]: Without dead ends: 33008 [2022-11-23 15:58:46,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:58:46,728 INFO L413 NwaCegarLoop]: 5791 mSDtfsCounter, 16 mSDsluCounter, 52050 mSDsCounter, 0 mSdLazyCounter, 6843 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 57841 SdHoareTripleChecker+Invalid, 6864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 6843 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:46,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 57841 Invalid, 6864 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9 Valid, 6843 Invalid, 12 Unknown, 0 Unchecked, 108.1s Time] [2022-11-23 15:58:46,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33008 states. [2022-11-23 15:58:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33008 to 33008. [2022-11-23 15:58:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33008 states, 19913 states have (on average 1.2791643649876965) internal successors, (25472), 20563 states have internal predecessors, (25472), 11072 states have call successors, (11072), 2033 states have call predecessors, (11072), 2020 states have return successors, (11323), 10884 states have call predecessors, (11323), 11069 states have call successors, (11323) [2022-11-23 15:58:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33008 states to 33008 states and 47867 transitions. [2022-11-23 15:58:48,625 INFO L78 Accepts]: Start accepts. Automaton has 33008 states and 47867 transitions. Word has length 162 [2022-11-23 15:58:48,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:48,625 INFO L495 AbstractCegarLoop]: Abstraction has 33008 states and 47867 transitions. [2022-11-23 15:58:48,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2022-11-23 15:58:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 33008 states and 47867 transitions. [2022-11-23 15:58:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-23 15:58:48,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:48,638 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:48,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:58:48,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebe607a3-d758-49b2-8d4b-69bae7dda407/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 15:58:48,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-23 15:58:48,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:48,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1118527966, now seen corresponding path program 1 times [2022-11-23 15:58:48,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:48,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081036875] [2022-11-23 15:58:48,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-23 15:59:03,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:03,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081036875] [2022-11-23 15:59:03,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081036875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:03,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:03,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 15:59:03,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316799130] [2022-11-23 15:59:03,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:03,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:59:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:03,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:59:03,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:59:03,475 INFO L87 Difference]: Start difference. First operand 33008 states and 47867 transitions. Second operand has 13 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) [2022-11-23 15:59:15,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:20,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:27,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:29,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:31,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:33,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:35,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:37,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:39,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:41,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:43,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:45,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:47,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:49,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:06,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:15,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:21,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:32,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:39,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:01:02,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:01:04,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:01:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:13,387 INFO L93 Difference]: Finished difference Result 66339 states and 96263 transitions. [2022-11-23 16:01:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 16:01:13,388 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) Word has length 203 [2022-11-23 16:01:13,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:13,549 INFO L225 Difference]: With dead ends: 66339 [2022-11-23 16:01:13,549 INFO L226 Difference]: Without dead ends: 33343 [2022-11-23 16:01:13,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-11-23 16:01:13,693 INFO L413 NwaCegarLoop]: 5833 mSDtfsCounter, 142 mSDsluCounter, 63981 mSDsCounter, 0 mSdLazyCounter, 8357 mSolverCounterSat, 3 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 69814 SdHoareTripleChecker+Invalid, 8376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8357 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:13,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 69814 Invalid, 8376 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 8357 Invalid, 16 Unknown, 0 Unchecked, 127.5s Time] [2022-11-23 16:01:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33343 states. [2022-11-23 16:01:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33343 to 33024. [2022-11-23 16:01:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33024 states, 19923 states have (on average 1.2790242433368468) internal successors, (25482), 20573 states have internal predecessors, (25482), 11076 states have call successors, (11076), 2033 states have call predecessors, (11076), 2022 states have return successors, (11329), 10890 states have call predecessors, (11329), 11073 states have call successors, (11329) [2022-11-23 16:01:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33024 states to 33024 states and 47887 transitions. [2022-11-23 16:01:15,703 INFO L78 Accepts]: Start accepts. Automaton has 33024 states and 47887 transitions. Word has length 203 [2022-11-23 16:01:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:15,706 INFO L495 AbstractCegarLoop]: Abstraction has 33024 states and 47887 transitions. [2022-11-23 16:01:15,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 5 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 5 states have call successors, (31) [2022-11-23 16:01:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 33024 states and 47887 transitions. [2022-11-23 16:01:15,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-23 16:01:15,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:15,722 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 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, 1, 1] [2022-11-23 16:01:15,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 16:01:15,723 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)] === [2022-11-23 16:01:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -435650908, now seen corresponding path program 1 times [2022-11-23 16:01:15,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:15,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071117746] [2022-11-23 16:01:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:15,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat