./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba --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 22220d7d2391b6973f693fd73ea6ad5e547e8b6be8ceeaf0b83ac6f26119702f --- 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-b5237d8 [2022-11-22 02:09:22,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:09:22,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:09:22,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:09:22,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:09:22,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:09:22,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:09:23,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:09:23,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:09:23,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:09:23,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:09:23,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:09:23,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:09:23,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:09:23,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:09:23,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:09:23,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:09:23,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:09:23,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:09:23,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:09:23,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:09:23,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:09:23,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:09:23,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:09:23,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:09:23,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:09:23,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:09:23,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:09:23,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:09:23,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:09:23,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:09:23,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:09:23,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:09:23,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:09:23,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:09:23,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:09:23,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:09:23,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:09:23,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:09:23,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:09:23,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:09:23,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:09:23,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:09:23,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:09:23,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:09:23,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:09:23,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:09:23,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:09:23,098 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:09:23,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:09:23,099 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:09:23,099 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:09:23,100 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:09:23,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:09:23,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:09:23,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:09:23,101 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:09:23,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:09:23,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:09:23,102 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:09:23,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:09:23,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:09:23,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:09:23,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:09:23,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:09:23,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:09:23,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:09:23,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:09:23,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:09:23,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:09:23,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:09:23,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:09:23,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:09:23,106 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:09:23,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:09:23,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:09:23,107 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:09:23,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:09:23,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:09:23,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:09:23,108 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_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22220d7d2391b6973f693fd73ea6ad5e547e8b6be8ceeaf0b83ac6f26119702f [2022-11-22 02:09:23,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:09:23,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:09:23,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:09:23,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:09:23,372 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:09:23,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-22 02:09:26,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:09:27,444 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:09:27,445 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-22 02:09:27,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/data/ae4b9b9d7/7c270edabe5442c7befb82d933b5bf1d/FLAGa6ccd7053 [2022-11-22 02:09:27,557 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/data/ae4b9b9d7/7c270edabe5442c7befb82d933b5bf1d [2022-11-22 02:09:27,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:09:27,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:09:27,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:09:27,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:09:27,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:09:27,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:09:27" (1/1) ... [2022-11-22 02:09:27,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524c68e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:27, skipping insertion in model container [2022-11-22 02:09:27,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:09:27" (1/1) ... [2022-11-22 02:09:27,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:09:27,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:09:37,572 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[839999,840012] [2022-11-22 02:09:37,575 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840146,840159] [2022-11-22 02:09:37,576 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840285,840298] [2022-11-22 02:09:37,577 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840443,840456] [2022-11-22 02:09:37,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:09:37,824 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:09:38,596 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[839999,840012] [2022-11-22 02:09:38,597 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840146,840159] [2022-11-22 02:09:38,597 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840285,840298] [2022-11-22 02:09:38,598 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_19dfa382-3899-45f4-b130-eebc2ab40405/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[840443,840456] [2022-11-22 02:09:38,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:09:39,300 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:09:39,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39 WrapperNode [2022-11-22 02:09:39,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:09:39,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:09:39,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:09:39,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:09:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:39,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:41,693 INFO L138 Inliner]: procedures = 983, calls = 12492, calls flagged for inlining = 592, calls inlined = 569, statements flattened = 22498 [2022-11-22 02:09:41,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:09:41,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:09:41,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:09:41,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:09:41,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:41,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:42,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:42,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:43,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:43,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:44,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:44,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:44,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:09:44,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:09:44,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:09:44,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:09:44,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (1/1) ... [2022-11-22 02:09:44,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:09:44,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:09:44,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:09:44,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19dfa382-3899-45f4-b130-eebc2ab40405/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:09:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-22 02:09:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-22 02:09:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 02:09:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 02:09:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-22 02:09:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-22 02:09:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 02:09:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 02:09:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-22 02:09:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-22 02:09:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-22 02:09:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-22 02:09:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 02:09:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 02:09:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-22 02:09:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-22 02:09:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:09:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:09:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-22 02:09:44,825 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-22 02:09:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:09:44,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-22 02:09:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-22 02:09:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-22 02:09:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-22 02:09:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-22 02:09:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-22 02:09:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-22 02:09:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:09:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:09:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:09:44,827 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:09:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-22 02:09:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-22 02:09:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-22 02:09:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-22 02:09:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:09:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:09:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-22 02:09:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-22 02:09:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-22 02:09:44,829 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-22 02:09:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-22 02:09:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-22 02:09:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 02:09:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 02:09:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-22 02:09:44,830 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-22 02:09:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-22 02:09:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-22 02:09:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-22 02:09:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-22 02:09:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 02:09:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 02:09:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-22 02:09:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-22 02:09:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-22 02:09:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-22 02:09:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-22 02:09:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-22 02:09:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:09:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:09:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:09:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-22 02:09:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-22 02:09:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:09:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:09:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-22 02:09:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-22 02:09:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-22 02:09:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-22 02:09:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:09:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:09:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-22 02:09:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-22 02:09:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-22 02:09:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-22 02:09:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-22 02:09:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-22 02:09:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 02:09:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 02:09:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-22 02:09:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-22 02:09:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-22 02:09:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-22 02:09:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:09:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 02:09:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 02:09:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 02:09:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 02:09:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-22 02:09:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-22 02:09:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 02:09:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 02:09:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-22 02:09:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-22 02:09:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 02:09:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 02:09:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 02:09:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 02:09:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-22 02:09:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-22 02:09:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-22 02:09:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-22 02:09:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2022-11-22 02:09:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2022-11-22 02:09:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:09:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:09:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:09:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 02:09:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 02:09:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-22 02:09:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-22 02:09:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:09:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-22 02:09:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-22 02:09:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:09:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 02:09:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 02:09:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:09:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:09:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-22 02:09:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-22 02:09:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-22 02:09:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-22 02:09:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 02:09:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 02:09:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-22 02:09:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-22 02:09:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:09:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 02:09:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-22 02:09:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-22 02:09:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-22 02:09:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-22 02:09:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:09:44,869 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:09:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-22 02:09:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-22 02:09:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-22 02:09:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-22 02:09:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 02:09:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 02:09:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-22 02:09:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-22 02:09:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-22 02:09:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-22 02:09:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-22 02:09:44,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-22 02:09:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-22 02:09:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-22 02:09:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:09:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:09:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-22 02:09:44,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-22 02:09:44,873 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-22 02:09:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-22 02:09:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-22 02:09:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-22 02:09:44,874 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-22 02:09:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-22 02:09:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-22 02:09:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-22 02:09:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-22 02:09:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-22 02:09:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:09:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:09:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-22 02:09:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-22 02:09:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:09:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:09:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-22 02:09:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-22 02:09:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-22 02:09:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-22 02:09:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-22 02:09:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-22 02:09:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-22 02:09:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-22 02:09:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:09:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:09:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 02:09:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-22 02:09:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-22 02:09:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-22 02:09:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-22 02:09:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:09:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:09:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:09:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-22 02:09:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-22 02:09:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 02:09:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 02:09:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-22 02:09:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-22 02:09:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-22 02:09:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-22 02:09:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-22 02:09:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-22 02:09:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 02:09:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 02:09:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-22 02:09:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-22 02:09:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-22 02:09:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-22 02:09:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:09:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:09:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-22 02:09:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-22 02:09:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 02:09:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 02:09:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-22 02:09:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-22 02:09:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-22 02:09:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-22 02:09:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 02:09:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 02:09:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-22 02:09:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-22 02:09:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:09:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-22 02:09:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-22 02:09:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-22 02:09:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-22 02:09:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:09:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:09:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:09:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-22 02:09:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-22 02:09:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-22 02:09:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-22 02:09:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-22 02:09:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-22 02:09:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-22 02:09:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-22 02:09:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-22 02:09:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-22 02:09:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-22 02:09:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-22 02:09:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-22 02:09:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-22 02:09:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:09:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:09:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-22 02:09:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-22 02:09:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-22 02:09:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-22 02:09:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:09:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:09:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:09:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:09:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-22 02:09:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-22 02:09:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-22 02:09:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-22 02:09:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-22 02:09:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-22 02:09:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-22 02:09:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-22 02:09:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-22 02:09:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-22 02:09:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 02:09:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 02:09:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:09:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:09:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-22 02:09:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-22 02:09:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:09:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:09:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-22 02:09:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-22 02:09:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-22 02:09:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-22 02:09:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:09:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-22 02:09:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-22 02:09:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-22 02:09:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-22 02:09:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-22 02:09:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-22 02:09:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:09:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:09:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-22 02:09:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-22 02:09:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-22 02:09:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-22 02:09:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-22 02:09:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-22 02:09:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-22 02:09:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-22 02:09:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 02:09:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 02:09:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 02:09:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 02:09:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-22 02:09:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-22 02:09:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-22 02:09:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-22 02:09:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-22 02:09:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-22 02:09:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-22 02:09:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-22 02:09:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-22 02:09:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-22 02:09:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-22 02:09:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-22 02:09:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-22 02:09:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-22 02:09:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-22 02:09:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-22 02:09:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-22 02:09:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-22 02:09:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-22 02:09:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-22 02:09:44,907 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-22 02:09:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-22 02:09:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-22 02:09:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-22 02:09:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 02:09:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 02:09:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:09:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:09:44,908 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-22 02:09:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-22 02:09:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-22 02:09:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-22 02:09:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-22 02:09:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-22 02:09:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:09:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:09:44,909 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-22 02:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-22 02:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-22 02:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-22 02:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 02:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 02:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-22 02:09:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-22 02:09:44,910 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-22 02:09:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-22 02:09:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-22 02:09:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-22 02:09:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:09:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:09:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-22 02:09:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-22 02:09:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-22 02:09:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-22 02:09:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-22 02:09:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-22 02:09:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:09:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:09:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 02:09:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 02:09:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:09:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:09:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-22 02:09:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-22 02:09:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-22 02:09:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-22 02:09:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:09:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-22 02:09:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-22 02:09:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-22 02:09:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-22 02:09:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-22 02:09:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-22 02:09:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-22 02:09:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-22 02:09:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 02:09:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 02:09:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-22 02:09:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-22 02:09:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-22 02:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-22 02:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-22 02:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-22 02:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-22 02:09:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-22 02:09:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 02:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 02:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-22 02:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-22 02:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-22 02:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-22 02:09:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-22 02:09:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-22 02:09:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 02:09:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 02:09:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-22 02:09:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-22 02:09:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-22 02:09:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-22 02:09:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:09:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:09:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:09:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-22 02:09:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-22 02:09:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 02:09:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 02:09:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-22 02:09:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-22 02:09:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:09:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:09:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 02:09:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 02:09:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-22 02:09:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-22 02:09:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 02:09:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 02:09:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-22 02:09:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-22 02:09:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-22 02:09:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-22 02:09:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-22 02:09:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-22 02:09:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-22 02:09:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-22 02:09:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-22 02:09:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-22 02:09:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-22 02:09:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-22 02:09:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-22 02:09:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-22 02:09:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-22 02:09:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-22 02:09:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-22 02:09:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-22 02:09:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-22 02:09:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-22 02:09:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 02:09:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 02:09:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-22 02:09:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-22 02:09:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-22 02:09:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-22 02:09:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-22 02:09:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-22 02:09:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 02:09:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 02:09:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-22 02:09:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-22 02:09:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-22 02:09:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-22 02:09:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-22 02:09:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-22 02:09:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-22 02:09:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-22 02:09:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-22 02:09:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-22 02:09:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-22 02:09:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-22 02:09:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:09:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:09:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-22 02:09:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-22 02:09:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-22 02:09:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-22 02:09:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:09:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:09:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-22 02:09:44,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-22 02:09:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-22 02:09:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-22 02:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-22 02:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-22 02:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-22 02:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-22 02:09:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-22 02:09:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-22 02:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-22 02:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-22 02:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-22 02:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-22 02:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-22 02:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-22 02:09:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 02:09:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 02:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-22 02:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-22 02:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-22 02:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-22 02:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 02:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 02:09:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-22 02:09:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-22 02:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-22 02:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-22 02:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-22 02:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-22 02:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-22 02:09:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-22 02:09:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-22 02:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-22 02:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 02:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 02:09:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-22 02:09:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-22 02:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 02:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 02:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-22 02:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-22 02:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-22 02:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-22 02:09:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-22 02:09:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-22 02:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-22 02:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-22 02:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 02:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 02:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-22 02:09:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-22 02:09:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-22 02:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-22 02:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-22 02:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-22 02:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-22 02:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-22 02:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-22 02:09:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-22 02:09:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 02:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 02:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-22 02:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-22 02:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-22 02:09:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-22 02:09:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-22 02:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-22 02:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-22 02:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-22 02:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 02:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 02:09:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-22 02:09:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-22 02:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-22 02:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-22 02:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 02:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 02:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-22 02:09:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-22 02:09:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 02:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 02:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 02:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 02:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-22 02:09:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-22 02:09:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 02:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 02:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-22 02:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-22 02:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 02:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 02:09:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 02:09:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 02:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-22 02:09:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-22 02:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-22 02:09:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-22 02:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-22 02:09:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-22 02:09:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-22 02:09:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-22 02:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-22 02:09:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-22 02:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 02:09:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 02:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:09:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:09:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-22 02:09:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-22 02:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-22 02:09:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-22 02:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-22 02:09:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-22 02:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-22 02:09:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-22 02:09:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-22 02:09:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-22 02:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-22 02:09:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-22 02:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-22 02:09:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-22 02:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 02:09:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 02:09:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-22 02:09:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-22 02:09:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 02:09:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 02:09:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-22 02:09:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-22 02:09:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-22 02:09:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-22 02:09:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 02:09:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 02:09:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-22 02:09:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-22 02:09:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-22 02:09:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-22 02:09:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:09:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:09:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 02:09:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 02:09:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-22 02:09:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-22 02:09:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-22 02:09:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-22 02:09:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 02:09:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 02:09:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-22 02:09:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-22 02:09:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 02:09:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 02:09:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:09:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:09:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-22 02:09:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-22 02:09:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 02:09:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 02:09:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-22 02:09:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-22 02:09:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-22 02:09:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-22 02:09:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-22 02:09:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-22 02:09:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:09:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:09:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:09:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-22 02:09:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-22 02:09:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-22 02:09:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-22 02:09:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-22 02:09:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-22 02:09:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 02:09:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 02:09:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 02:09:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 02:09:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-22 02:09:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-22 02:09:47,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:09:47,654 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:09:47,906 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:10:33,691 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 02:10:34,229 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:10:42,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:10:42,157 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 02:10:42,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:10:42 BoogieIcfgContainer [2022-11-22 02:10:42,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:10:42,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:10:42,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:10:42,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:10:42,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:09:27" (1/3) ... [2022-11-22 02:10:42,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c189d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:10:42, skipping insertion in model container [2022-11-22 02:10:42,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:09:39" (2/3) ... [2022-11-22 02:10:42,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c189d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:10:42, skipping insertion in model container [2022-11-22 02:10:42,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:10:42" (3/3) ... [2022-11-22 02:10:42,175 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-22 02:10:42,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:10:42,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 02:10:42,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:10:42,371 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;@11988d50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:10:42,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 02:10:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 5049 states, 3046 states have (on average 1.3227183191070255) internal successors, (4029), 3143 states have internal predecessors, (4029), 1686 states have call successors, (1686), 316 states have call predecessors, (1686), 315 states have return successors, (1672), 1614 states have call predecessors, (1672), 1672 states have call successors, (1672) [2022-11-22 02:10:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2022-11-22 02:10:42,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:10:42,460 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:10:42,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:10:42,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:10:42,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1657155911, now seen corresponding path program 1 times [2022-11-22 02:10:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:10:42,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762428120] [2022-11-22 02:10:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:10:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:10:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:10:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-22 02:10:46,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:10:46,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762428120] [2022-11-22 02:10:46,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762428120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:10:46,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:10:46,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:10:46,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838716157] [2022-11-22 02:10:46,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:10:46,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:10:46,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:10:46,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:10:46,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:10:46,823 INFO L87 Difference]: Start difference. First operand has 5049 states, 3046 states have (on average 1.3227183191070255) internal successors, (4029), 3143 states have internal predecessors, (4029), 1686 states have call successors, (1686), 316 states have call predecessors, (1686), 315 states have return successors, (1672), 1614 states have call predecessors, (1672), 1672 states have call successors, (1672) Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-22 02:10:50,301 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 [] [2022-11-22 02:10:53,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:10:58,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:07,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:11:07,573 INFO L93 Difference]: Finished difference Result 14718 states and 21553 transitions. [2022-11-22 02:11:07,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:11:07,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 818 [2022-11-22 02:11:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:11:07,712 INFO L225 Difference]: With dead ends: 14718 [2022-11-22 02:11:07,712 INFO L226 Difference]: Without dead ends: 9812 [2022-11-22 02:11:07,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:11:07,765 INFO L413 NwaCegarLoop]: 7949 mSDtfsCounter, 7021 mSDsluCounter, 6210 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7027 SdHoareTripleChecker+Valid, 14159 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:11:07,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7027 Valid, 14159 Invalid, 2337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2317 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2022-11-22 02:11:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9812 states. [2022-11-22 02:11:08,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9812 to 9808. [2022-11-22 02:11:08,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9808 states, 5945 states have (on average 1.3222876366694702) internal successors, (7861), 6138 states have internal predecessors, (7861), 3235 states have call successors, (3235), 628 states have call predecessors, (3235), 626 states have return successors, (3234), 3114 states have call predecessors, (3234), 3232 states have call successors, (3234) [2022-11-22 02:11:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9808 states to 9808 states and 14330 transitions. [2022-11-22 02:11:08,706 INFO L78 Accepts]: Start accepts. Automaton has 9808 states and 14330 transitions. Word has length 818 [2022-11-22 02:11:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:11:08,709 INFO L495 AbstractCegarLoop]: Abstraction has 9808 states and 14330 transitions. [2022-11-22 02:11:08,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (85), 2 states have call predecessors, (85), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-22 02:11:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 9808 states and 14330 transitions. [2022-11-22 02:11:08,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2022-11-22 02:11:08,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:11:08,750 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:11:08,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:11:08,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:11:08,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:11:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash 151181607, now seen corresponding path program 1 times [2022-11-22 02:11:08,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:11:08,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313784083] [2022-11-22 02:11:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:11:08,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:11:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:11:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-22 02:11:11,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:11:11,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313784083] [2022-11-22 02:11:11,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313784083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:11:11,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:11:11,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:11:11,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746107353] [2022-11-22 02:11:11,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:11:11,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:11:11,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:11:11,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:11:11,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:11:11,130 INFO L87 Difference]: Start difference. First operand 9808 states and 14330 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-11-22 02:11:15,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:18,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:22,447 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 [] [2022-11-22 02:11:30,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:11:30,030 INFO L93 Difference]: Finished difference Result 24212 states and 35354 transitions. [2022-11-22 02:11:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:11:30,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 836 [2022-11-22 02:11:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:11:30,143 INFO L225 Difference]: With dead ends: 24212 [2022-11-22 02:11:30,143 INFO L226 Difference]: Without dead ends: 14565 [2022-11-22 02:11:30,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:11:30,197 INFO L413 NwaCegarLoop]: 7792 mSDtfsCounter, 6971 mSDsluCounter, 6195 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6977 SdHoareTripleChecker+Valid, 13987 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:11:30,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6977 Valid, 13987 Invalid, 2282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2267 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2022-11-22 02:11:30,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14565 states. [2022-11-22 02:11:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14565 to 14542. [2022-11-22 02:11:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14542 states, 8819 states have (on average 1.3218051933325774) internal successors, (11657), 9111 states have internal predecessors, (11657), 4782 states have call successors, (4782), 942 states have call predecessors, (4782), 939 states have return successors, (4783), 4598 states have call predecessors, (4783), 4779 states have call successors, (4783) [2022-11-22 02:11:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14542 states to 14542 states and 21222 transitions. [2022-11-22 02:11:31,249 INFO L78 Accepts]: Start accepts. Automaton has 14542 states and 21222 transitions. Word has length 836 [2022-11-22 02:11:31,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:11:31,253 INFO L495 AbstractCegarLoop]: Abstraction has 14542 states and 21222 transitions. [2022-11-22 02:11:31,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-11-22 02:11:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14542 states and 21222 transitions. [2022-11-22 02:11:31,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2022-11-22 02:11:31,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:11:31,280 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:11:31,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:11:31,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:11:31,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:11:31,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1093197804, now seen corresponding path program 1 times [2022-11-22 02:11:31,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:11:31,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218079456] [2022-11-22 02:11:31,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:11:31,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:11:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:11:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-22 02:11:33,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:11:33,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218079456] [2022-11-22 02:11:33,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218079456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:11:33,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:11:33,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:11:33,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871218914] [2022-11-22 02:11:33,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:11:33,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:11:33,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:11:33,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:11:33,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:11:33,714 INFO L87 Difference]: Start difference. First operand 14542 states and 21222 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2022-11-22 02:11:37,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:39,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:41,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:47,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:50,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:53,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:56,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:11:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:11:56,849 INFO L93 Difference]: Finished difference Result 38391 states and 56013 transitions. [2022-11-22 02:11:56,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:11:56,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) Word has length 851 [2022-11-22 02:11:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:11:57,008 INFO L225 Difference]: With dead ends: 38391 [2022-11-22 02:11:57,008 INFO L226 Difference]: Without dead ends: 24010 [2022-11-22 02:11:57,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:11:57,083 INFO L413 NwaCegarLoop]: 7780 mSDtfsCounter, 6957 mSDsluCounter, 6189 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 13969 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:11:57,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6961 Valid, 13969 Invalid, 2300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2281 Invalid, 2 Unknown, 0 Unchecked, 22.1s Time] [2022-11-22 02:11:57,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24010 states. [2022-11-22 02:11:58,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24010 to 23988. [2022-11-22 02:11:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23988 states, 14572 states have (on average 1.322124622563821) internal successors, (19266), 15063 states have internal predecessors, (19266), 7849 states have call successors, (7849), 1570 states have call predecessors, (7849), 1565 states have return successors, (7851), 7538 states have call predecessors, (7851), 7846 states have call successors, (7851) [2022-11-22 02:11:58,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23988 states to 23988 states and 34966 transitions. [2022-11-22 02:11:58,793 INFO L78 Accepts]: Start accepts. Automaton has 23988 states and 34966 transitions. Word has length 851 [2022-11-22 02:11:58,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:11:58,794 INFO L495 AbstractCegarLoop]: Abstraction has 23988 states and 34966 transitions. [2022-11-22 02:11:58,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2022-11-22 02:11:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 23988 states and 34966 transitions. [2022-11-22 02:11:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2022-11-22 02:11:58,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:11:58,820 INFO L195 NwaCegarLoop]: trace histogram [83, 80, 80, 80, 80, 80, 80, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:11:58,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:11:58,821 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:11:58,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:11:58,822 INFO L85 PathProgramCache]: Analyzing trace with hash -333279352, now seen corresponding path program 1 times [2022-11-22 02:11:58,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:11:58,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941318209] [2022-11-22 02:11:58,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:11:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:11:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:12:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25771 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25771 trivial. 0 not checked. [2022-11-22 02:12:03,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:12:03,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941318209] [2022-11-22 02:12:03,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941318209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:12:03,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:12:03,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:12:03,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522993321] [2022-11-22 02:12:03,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:12:03,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:12:03,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:12:03,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:12:03,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:12:03,255 INFO L87 Difference]: Start difference. First operand 23988 states and 34966 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-22 02:12:09,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:11,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:15,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:19,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:21,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:21,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:12:21,754 INFO L93 Difference]: Finished difference Result 23988 states and 34966 transitions. [2022-11-22 02:12:21,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:12:21,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 858 [2022-11-22 02:12:21,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:12:21,943 INFO L225 Difference]: With dead ends: 23988 [2022-11-22 02:12:21,943 INFO L226 Difference]: Without dead ends: 23969 [2022-11-22 02:12:21,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:12:21,974 INFO L413 NwaCegarLoop]: 6217 mSDtfsCounter, 7140 mSDsluCounter, 6217 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7144 SdHoareTripleChecker+Valid, 12434 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:12:21,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7144 Valid, 12434 Invalid, 2238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2237 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2022-11-22 02:12:22,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23969 states. [2022-11-22 02:12:23,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23969 to 23969. [2022-11-22 02:12:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23969 states, 14566 states have (on average 1.321433475216257) internal successors, (19248), 15051 states have internal predecessors, (19248), 7839 states have call successors, (7839), 1567 states have call predecessors, (7839), 1563 states have return successors, (7844), 7534 states have call predecessors, (7844), 7839 states have call successors, (7844) [2022-11-22 02:12:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23969 states to 23969 states and 34931 transitions. [2022-11-22 02:12:23,942 INFO L78 Accepts]: Start accepts. Automaton has 23969 states and 34931 transitions. Word has length 858 [2022-11-22 02:12:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:12:23,944 INFO L495 AbstractCegarLoop]: Abstraction has 23969 states and 34931 transitions. [2022-11-22 02:12:23,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 2 states have call successors, (88), 2 states have call predecessors, (88), 1 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-11-22 02:12:23,944 INFO L276 IsEmpty]: Start isEmpty. Operand 23969 states and 34931 transitions. [2022-11-22 02:12:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2022-11-22 02:12:23,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:12:23,977 INFO L195 NwaCegarLoop]: trace histogram [83, 82, 82, 82, 82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:12:23,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:12:23,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:12:23,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:12:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1407595477, now seen corresponding path program 1 times [2022-11-22 02:12:23,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:12:23,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715051746] [2022-11-22 02:12:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:12:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:12:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:12:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26732 trivial. 0 not checked. [2022-11-22 02:12:26,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:12:26,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715051746] [2022-11-22 02:12:26,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715051746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:12:26,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:12:26,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:12:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035694678] [2022-11-22 02:12:26,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:12:26,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:12:26,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:12:26,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:12:26,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:12:26,505 INFO L87 Difference]: Start difference. First operand 23969 states and 34931 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (90), 3 states have call predecessors, (90), 3 states have call successors, (90) [2022-11-22 02:12:29,549 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 [] [2022-11-22 02:12:33,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:39,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:45,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:46,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:12:48,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:12:48,782 INFO L93 Difference]: Finished difference Result 66646 states and 97136 transitions. [2022-11-22 02:12:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:12:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (90), 3 states have call predecessors, (90), 3 states have call successors, (90) Word has length 876 [2022-11-22 02:12:48,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:12:49,044 INFO L225 Difference]: With dead ends: 66646 [2022-11-22 02:12:49,044 INFO L226 Difference]: Without dead ends: 42838 [2022-11-22 02:12:49,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:12:49,169 INFO L413 NwaCegarLoop]: 7902 mSDtfsCounter, 6959 mSDsluCounter, 6180 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 14082 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:12:49,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6965 Valid, 14082 Invalid, 2317 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2302 Invalid, 2 Unknown, 0 Unchecked, 20.2s Time] [2022-11-22 02:12:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42838 states. [2022-11-22 02:12:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42838 to 42823. [2022-11-22 02:12:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42823 states, 26051 states have (on average 1.3218686422786075) internal successors, (34436), 26938 states have internal predecessors, (34436), 13963 states have call successors, (13963), 2816 states have call predecessors, (13963), 2808 states have return successors, (13978), 13400 states have call predecessors, (13978), 13963 states have call successors, (13978) [2022-11-22 02:12:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42823 states to 42823 states and 62377 transitions. [2022-11-22 02:12:53,210 INFO L78 Accepts]: Start accepts. Automaton has 42823 states and 62377 transitions. Word has length 876 [2022-11-22 02:12:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:12:53,464 INFO L495 AbstractCegarLoop]: Abstraction has 42823 states and 62377 transitions. [2022-11-22 02:12:53,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (90), 3 states have call predecessors, (90), 3 states have call successors, (90) [2022-11-22 02:12:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 42823 states and 62377 transitions. [2022-11-22 02:12:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2022-11-22 02:12:53,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:12:53,624 INFO L195 NwaCegarLoop]: trace histogram [84, 80, 80, 80, 80, 80, 80, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:12:53,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:12:53,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:12:53,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:12:53,625 INFO L85 PathProgramCache]: Analyzing trace with hash -967673293, now seen corresponding path program 1 times [2022-11-22 02:12:53,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:12:53,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813972217] [2022-11-22 02:12:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:12:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:12:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:12:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 25959 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25952 trivial. 0 not checked. [2022-11-22 02:12:57,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:12:57,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813972217] [2022-11-22 02:12:57,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813972217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:12:57,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:12:57,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:12:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711436202] [2022-11-22 02:12:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:12:57,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:12:57,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:12:57,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:12:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:12:57,305 INFO L87 Difference]: Start difference. First operand 42823 states and 62377 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-11-22 02:13:03,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:09,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:11,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:26,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:27,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:31,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:13:54,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:02,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:05,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:07,377 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 [] [2022-11-22 02:14:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:14:08,787 INFO L93 Difference]: Finished difference Result 123413 states and 179360 transitions. [2022-11-22 02:14:08,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:14:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 900 [2022-11-22 02:14:08,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:14:09,815 INFO L225 Difference]: With dead ends: 123413 [2022-11-22 02:14:09,815 INFO L226 Difference]: Without dead ends: 85357 [2022-11-22 02:14:10,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:14:10,010 INFO L413 NwaCegarLoop]: 13269 mSDtfsCounter, 13192 mSDsluCounter, 15232 mSDsCounter, 0 mSdLazyCounter, 16146 mSolverCounterSat, 1607 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13699 SdHoareTripleChecker+Valid, 28501 SdHoareTripleChecker+Invalid, 17757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 16146 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:14:10,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13699 Valid, 28501 Invalid, 17757 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1607 Valid, 16146 Invalid, 4 Unknown, 0 Unchecked, 66.4s Time] [2022-11-22 02:14:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85357 states. [2022-11-22 02:14:15,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85357 to 85309. [2022-11-22 02:14:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85309 states, 51745 states have (on average 1.3190839694656489) internal successors, (68256), 53598 states have internal predecessors, (68256), 27765 states have call successors, (27765), 5814 states have call predecessors, (27765), 5798 states have return successors, (27797), 26578 states have call predecessors, (27797), 27765 states have call successors, (27797) [2022-11-22 02:14:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85309 states to 85309 states and 123818 transitions. [2022-11-22 02:14:16,601 INFO L78 Accepts]: Start accepts. Automaton has 85309 states and 123818 transitions. Word has length 900 [2022-11-22 02:14:16,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:14:16,603 INFO L495 AbstractCegarLoop]: Abstraction has 85309 states and 123818 transitions. [2022-11-22 02:14:16,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2022-11-22 02:14:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 85309 states and 123818 transitions. [2022-11-22 02:14:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2022-11-22 02:14:17,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:14:17,061 INFO L195 NwaCegarLoop]: trace histogram [84, 80, 80, 80, 80, 80, 80, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:14:17,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:14:17,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:14:17,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:14:17,062 INFO L85 PathProgramCache]: Analyzing trace with hash -956931359, now seen corresponding path program 1 times [2022-11-22 02:14:17,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:14:17,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143165951] [2022-11-22 02:14:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:14:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:14:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:14:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25963 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25956 trivial. 0 not checked. [2022-11-22 02:14:19,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:14:19,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143165951] [2022-11-22 02:14:19,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143165951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:14:19,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:14:19,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:14:19,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553010753] [2022-11-22 02:14:19,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:14:19,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:14:19,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:14:19,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:14:19,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:19,232 INFO L87 Difference]: Start difference. First operand 85309 states and 123818 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2022-11-22 02:14:23,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:26,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:30,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:35,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:45,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:14:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:14:50,026 INFO L93 Difference]: Finished difference Result 205853 states and 298811 transitions. [2022-11-22 02:14:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:14:50,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 913 [2022-11-22 02:14:50,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:14:50,999 INFO L225 Difference]: With dead ends: 205853 [2022-11-22 02:14:50,999 INFO L226 Difference]: Without dead ends: 125311 [2022-11-22 02:14:51,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:14:51,390 INFO L413 NwaCegarLoop]: 12060 mSDtfsCounter, 6944 mSDsluCounter, 6163 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 18223 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:14:51,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6948 Valid, 18223 Invalid, 3388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 3372 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2022-11-22 02:14:51,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125311 states.