./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/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_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-4e7fbc6 [2022-11-23 14:05:27,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:05:27,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:05:27,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:05:27,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:05:27,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:05:27,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:05:27,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:05:27,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:05:27,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:05:27,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:05:27,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:05:27,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:05:27,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:05:27,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:05:27,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:05:27,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:05:27,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:05:27,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:05:27,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:05:27,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:05:27,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:05:27,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:05:27,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:05:27,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:05:27,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:05:27,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:05:27,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:05:27,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:05:27,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:05:27,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:05:27,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:05:27,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:05:27,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:05:27,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:05:27,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:05:27,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:05:27,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:05:27,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:05:27,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:05:27,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:05:27,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:05:27,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:05:27,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:05:27,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:05:27,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:05:27,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:05:27,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:05:27,693 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:05:27,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:05:27,694 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:05:27,694 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:05:27,695 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:05:27,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:05:27,695 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:05:27,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:05:27,695 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:05:27,696 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:05:27,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:05:27,696 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:05:27,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:05:27,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:05:27,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:05:27,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:05:27,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:05:27,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:05:27,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:05:27,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:05:27,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:05:27,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:05:27,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:05:27,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:27,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:05:27,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:05:27,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:05:27,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:05:27,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:05:27,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:05:27,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:05:27,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:05:27,701 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_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22220d7d2391b6973f693fd73ea6ad5e547e8b6be8ceeaf0b83ac6f26119702f [2022-11-23 14:05:28,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:05:28,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:05:28,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:05:28,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:05:28,077 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:05:28,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 14:05:31,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:05:32,030 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:05:32,031 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 14:05:32,110 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/data/348657565/2a803b40dc4c4f73b049f3e8c6c50f5e/FLAG0cc65c8e6 [2022-11-23 14:05:32,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/data/348657565/2a803b40dc4c4f73b049f3e8c6c50f5e [2022-11-23 14:05:32,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:05:32,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:05:32,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:32,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:05:32,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:05:32,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:32" (1/1) ... [2022-11-23 14:05:32,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353a7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:32, skipping insertion in model container [2022-11-23 14:05:32,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:32" (1/1) ... [2022-11-23 14:05:32,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:05:32,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:05:42,235 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:42,244 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:42,245 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:42,245 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:42,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:05:42,491 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:05:43,236 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:43,237 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:43,238 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:43,238 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_c1817183-e2bb-4283-ba35-0d7fc484410e/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] [2022-11-23 14:05:43,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:05:44,460 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:05:44,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44 WrapperNode [2022-11-23 14:05:44,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:05:44,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:05:44,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:05:44,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:05:44,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:44,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:46,670 INFO L138 Inliner]: procedures = 983, calls = 12492, calls flagged for inlining = 592, calls inlined = 569, statements flattened = 22498 [2022-11-23 14:05:46,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:05:46,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:05:46,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:05:46,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:05:46,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:46,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:47,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:47,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:05:48,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:05:48,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:05:48,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:05:48,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (1/1) ... [2022-11-23 14:05:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:05:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:05:48,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:05:48,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1817183-e2bb-4283-ba35-0d7fc484410e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:05:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-23 14:05:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-23 14:05:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 14:05:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 14:05:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-23 14:05:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-23 14:05:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 14:05:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 14:05:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-23 14:05:48,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-23 14:05:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-23 14:05:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-23 14:05:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 14:05:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 14:05:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-23 14:05:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-23 14:05:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 14:05:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 14:05:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 14:05:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 14:05:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:05:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 14:05:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-23 14:05:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-23 14:05:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-23 14:05:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-23 14:05:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-23 14:05:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-23 14:05:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 14:05:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 14:05:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 14:05:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 14:05:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-23 14:05:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-23 14:05:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-23 14:05:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-23 14:05:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:05:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:05:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-23 14:05:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-23 14:05:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-23 14:05:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-23 14:05:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-23 14:05:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-23 14:05:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 14:05:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 14:05:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-23 14:05:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-23 14:05:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-23 14:05:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-23 14:05:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-23 14:05:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-23 14:05:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 14:05:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 14:05:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-23 14:05:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-23 14:05:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-23 14:05:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-23 14:05:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-23 14:05:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-23 14:05:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 14:05:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 14:05:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:05:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-23 14:05:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-23 14:05:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 14:05:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 14:05:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-23 14:05:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-23 14:05:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-23 14:05:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-23 14:05:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 14:05:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 14:05:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-23 14:05:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-23 14:05:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-23 14:05:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-23 14:05:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-23 14:05:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-23 14:05:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 14:05:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 14:05:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-23 14:05:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-23 14:05:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-23 14:05:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-23 14:05:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:05:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 14:05:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 14:05:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 14:05:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 14:05:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 14:05:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 14:05:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 14:05:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 14:05:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 14:05:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 14:05:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 14:05:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 14:05:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 14:05:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 14:05:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-23 14:05:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-23 14:05:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-23 14:05:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-23 14:05:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2022-11-23 14:05:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2022-11-23 14:05:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:05:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 14:05:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 14:05:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 14:05:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 14:05:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-23 14:05:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-23 14:05:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:05:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-23 14:05:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-23 14:05:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:05:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 14:05:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 14:05:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 14:05:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 14:05:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 14:05:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 14:05:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-23 14:05:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-23 14:05:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 14:05:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 14:05:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-23 14:05:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-23 14:05:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 14:05:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 14:05:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-23 14:05:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-23 14:05:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 14:05:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 14:05:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 14:05:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 14:05:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-23 14:05:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-23 14:05:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-23 14:05:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-23 14:05:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 14:05:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 14:05:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-23 14:05:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-23 14:05:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-23 14:05:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-23 14:05:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-23 14:05:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-23 14:05:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-23 14:05:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-23 14:05:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 14:05:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 14:05:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-23 14:05:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-23 14:05:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-23 14:05:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-23 14:05:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-23 14:05:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-23 14:05:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-23 14:05:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-23 14:05:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-23 14:05:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-23 14:05:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-23 14:05:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-23 14:05:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:05:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:05:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-23 14:05:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-23 14:05:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:05:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:05:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-23 14:05:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-23 14:05:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-23 14:05:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-23 14:05:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-23 14:05:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-23 14:05:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-23 14:05:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-23 14:05:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:05:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 14:05:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 14:05:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-23 14:05:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-23 14:05:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-23 14:05:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-23 14:05:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 14:05:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 14:05:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 14:05:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-23 14:05:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-23 14:05:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 14:05:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 14:05:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-23 14:05:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-23 14:05:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-23 14:05:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-23 14:05:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-23 14:05:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-23 14:05:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 14:05:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 14:05:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 14:05:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 14:05:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-23 14:05:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-23 14:05:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:05:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:05:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-23 14:05:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-23 14:05:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 14:05:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 14:05:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-23 14:05:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-23 14:05:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-23 14:05:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-23 14:05:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 14:05:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 14:05:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 14:05:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 14:05:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:05:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-23 14:05:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-23 14:05:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-23 14:05:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-23 14:05:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:05:49,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:05:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:05:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 14:05:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 14:05:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-23 14:05:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-23 14:05:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-23 14:05:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-23 14:05:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-23 14:05:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-23 14:05:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-23 14:05:49,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-23 14:05:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-23 14:05:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-23 14:05:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-23 14:05:49,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-23 14:05:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 14:05:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 14:05:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-23 14:05:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-23 14:05:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 14:05:49,052 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 14:05:49,052 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 14:05:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 14:05:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:05:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:05:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-23 14:05:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-23 14:05:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-23 14:05:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-23 14:05:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-23 14:05:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-23 14:05:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-23 14:05:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-23 14:05:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 14:05:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 14:05:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 14:05:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 14:05:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 14:05:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 14:05:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-23 14:05:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-23 14:05:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 14:05:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 14:05:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-23 14:05:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-23 14:05:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-23 14:05:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-23 14:05:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:05:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-23 14:05:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-23 14:05:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-23 14:05:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-23 14:05:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 14:05:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 14:05:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:05:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:05:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-23 14:05:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-23 14:05:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-23 14:05:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-23 14:05:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-23 14:05:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-23 14:05:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-23 14:05:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-23 14:05:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 14:05:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 14:05:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 14:05:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 14:05:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-23 14:05:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-23 14:05:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-23 14:05:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-23 14:05:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-23 14:05:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-23 14:05:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-23 14:05:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-23 14:05:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-23 14:05:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-23 14:05:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-23 14:05:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-23 14:05:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-23 14:05:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-23 14:05:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-23 14:05:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-23 14:05:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-23 14:05:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-23 14:05:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-23 14:05:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-23 14:05:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-23 14:05:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-23 14:05:49,061 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-23 14:05:49,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-23 14:05:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 14:05:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 14:05:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:05:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:05:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-23 14:05:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-23 14:05:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-23 14:05:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-23 14:05:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-23 14:05:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-23 14:05:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:05:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:05:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-23 14:05:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-23 14:05:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-23 14:05:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-23 14:05:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 14:05:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 14:05:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-23 14:05:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-23 14:05:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-23 14:05:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-23 14:05:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-23 14:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-23 14:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 14:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 14:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-23 14:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-23 14:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-23 14:05:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-23 14:05:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-23 14:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-23 14:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 14:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 14:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 14:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 14:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:05:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:05:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-23 14:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-23 14:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-23 14:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-23 14:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-23 14:05:49,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-23 14:05:49,067 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 14:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 14:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-23 14:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-23 14:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-23 14:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-23 14:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 14:05:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 14:05:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-23 14:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-23 14:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-23 14:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-23 14:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 14:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 14:05:49,069 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-23 14:05:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-23 14:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-23 14:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-23 14:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 14:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 14:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-23 14:05:49,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-23 14:05:49,070 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-23 14:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-23 14:05:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-23 14:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-23 14:05:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 14:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 14:05:49,071 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-23 14:05:49,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-23 14:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-23 14:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-23 14:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 14:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 14:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-23 14:05:49,072 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-23 14:05:49,072 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 14:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 14:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-23 14:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-23 14:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 14:05:49,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 14:05:49,073 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-23 14:05:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-23 14:05:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 14:05:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 14:05:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-23 14:05:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-23 14:05:49,074 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-23 14:05:49,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-23 14:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-23 14:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-23 14:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-23 14:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-23 14:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-23 14:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-23 14:05:49,075 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-23 14:05:49,075 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-23 14:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-23 14:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-23 14:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-23 14:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-23 14:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-23 14:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-23 14:05:49,076 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-23 14:05:49,076 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-23 14:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 14:05:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 14:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-23 14:05:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-23 14:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-23 14:05:49,077 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-23 14:05:49,077 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-23 14:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-23 14:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 14:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 14:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-23 14:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-23 14:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-23 14:05:49,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-23 14:05:49,078 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-23 14:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-23 14:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-23 14:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-23 14:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-23 14:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-23 14:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-23 14:05:49,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-23 14:05:49,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-23 14:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-23 14:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-23 14:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-23 14:05:49,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:05:49,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-23 14:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-23 14:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-23 14:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-23 14:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-23 14:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-23 14:05:49,081 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-23 14:05:49,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-23 14:05:49,082 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-23 14:05:49,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-23 14:05:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-23 14:05:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-23 14:05:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-23 14:05:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-23 14:05:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-23 14:05:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-23 14:05:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 14:05:49,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 14:05:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-23 14:05:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-23 14:05:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-23 14:05:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-23 14:05:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 14:05:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 14:05:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-23 14:05:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-23 14:05:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-23 14:05:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-23 14:05:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-23 14:05:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:05:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-23 14:05:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 14:05:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 14:05:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 14:05:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 14:05:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-23 14:05:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-23 14:05:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-23 14:05:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-23 14:05:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-23 14:05:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-23 14:05:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-23 14:05:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 14:05:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 14:05:49,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-23 14:05:49,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-23 14:05:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-23 14:05:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-23 14:05:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-23 14:05:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-23 14:05:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-23 14:05:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-23 14:05:49,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-23 14:05:49,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-23 14:05:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 14:05:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 14:05:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-23 14:05:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-23 14:05:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 14:05:49,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 14:05:49,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-11-23 14:05:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-11-23 14:05:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-23 14:05:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-23 14:05:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-23 14:05:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-23 14:05:49,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:05:49,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-23 14:05:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-23 14:05:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 14:05:49,095 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 14:05:49,095 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-23 14:05:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-23 14:05:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 14:05:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 14:05:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 14:05:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 14:05:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 14:05:49,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 14:05:49,096 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-23 14:05:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-23 14:05:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 14:05:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 14:05:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-23 14:05:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-23 14:05:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 14:05:49,097 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 14:05:49,097 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 14:05:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 14:05:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-23 14:05:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-23 14:05:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-23 14:05:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-23 14:05:49,098 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-23 14:05:49,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-23 14:05:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-23 14:05:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-23 14:05:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-23 14:05:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-23 14:05:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-23 14:05:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-23 14:05:49,099 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:05:49,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:05:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-23 14:05:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-23 14:05:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 14:05:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 14:05:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-23 14:05:49,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-23 14:05:49,100 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-23 14:05:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-23 14:05:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-23 14:05:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-23 14:05:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-23 14:05:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-23 14:05:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-23 14:05:49,101 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-23 14:05:49,101 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 14:05:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 14:05:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-23 14:05:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-23 14:05:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 14:05:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 14:05:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-23 14:05:49,102 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-23 14:05:49,102 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-23 14:05:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-23 14:05:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 14:05:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 14:05:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-23 14:05:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-23 14:05:49,103 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-23 14:05:49,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-23 14:05:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 14:05:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 14:05:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 14:05:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 14:05:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-23 14:05:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-23 14:05:49,104 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-23 14:05:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-23 14:05:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 14:05:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 14:05:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-23 14:05:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-23 14:05:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 14:05:49,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 14:05:49,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:05:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 14:05:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-23 14:05:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-23 14:05:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 14:05:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 14:05:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-23 14:05:49,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-23 14:05:49,106 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-23 14:05:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-23 14:05:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-23 14:05:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-23 14:05:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:05:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:05:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 14:05:49,107 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-23 14:05:49,107 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-23 14:05:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-23 14:05:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-23 14:05:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-23 14:05:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-23 14:05:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 14:05:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 14:05:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 14:05:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 14:05:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-23 14:05:49,109 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-23 14:05:51,526 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:05:51,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:05:51,892 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:06:37,699 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 14:06:38,231 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:06:45,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:06:45,458 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-23 14:06:45,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:45 BoogieIcfgContainer [2022-11-23 14:06:45,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:06:45,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:06:45,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:06:45,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:06:45,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:05:32" (1/3) ... [2022-11-23 14:06:45,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468d99c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:45, skipping insertion in model container [2022-11-23 14:06:45,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:44" (2/3) ... [2022-11-23 14:06:45,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468d99c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:45, skipping insertion in model container [2022-11-23 14:06:45,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:45" (3/3) ... [2022-11-23 14:06:45,484 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 14:06:45,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:06:45,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 14:06:45,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:06:45,685 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;@20c0af58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:06:45,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 14:06:45,707 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) [2022-11-23 14:06:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2022-11-23 14:06:45,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:06:45,777 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] [2022-11-23 14:06:45,778 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] === [2022-11-23 14:06:45,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:06:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1657155911, now seen corresponding path program 1 times [2022-11-23 14:06:45,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:06:45,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124722738] [2022-11-23 14:06:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:06:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:06:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:06:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 14:06:50,101 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:06:50,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124722738] [2022-11-23 14:06:50,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124722738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:06:50,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:06:50,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:06:50,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025132056] [2022-11-23 14:06:50,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:06:50,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:06:50,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:06:50,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:06:50,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:06:50,177 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) [2022-11-23 14:06:53,081 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 [] [2022-11-23 14:06:56,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:07,782 INFO L93 Difference]: Finished difference Result 14729 states and 21568 transitions. [2022-11-23 14:07:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:07,789 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 [2022-11-23 14:07:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:07,914 INFO L225 Difference]: With dead ends: 14729 [2022-11-23 14:07:07,915 INFO L226 Difference]: Without dead ends: 9823 [2022-11-23 14:07:07,954 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 [2022-11-23 14:07:07,958 INFO L413 NwaCegarLoop]: 7819 mSDtfsCounter, 7039 mSDsluCounter, 6210 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7043 SdHoareTripleChecker+Valid, 14029 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:07,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7043 Valid, 14029 Invalid, 2301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2283 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-11-23 14:07:07,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9823 states. [2022-11-23 14:07:08,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9823 to 9820. [2022-11-23 14:07:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9820 states, 5952 states have (on average 1.3220766129032258) internal successors, (7869), 6144 states have internal predecessors, (7869), 3240 states have call successors, (3240), 628 states have call predecessors, (3240), 626 states have return successors, (3237), 3120 states have call predecessors, (3237), 3237 states have call successors, (3237) [2022-11-23 14:07:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9820 states to 9820 states and 14346 transitions. [2022-11-23 14:07:08,789 INFO L78 Accepts]: Start accepts. Automaton has 9820 states and 14346 transitions. Word has length 818 [2022-11-23 14:07:08,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:08,792 INFO L495 AbstractCegarLoop]: Abstraction has 9820 states and 14346 transitions. [2022-11-23 14:07:08,793 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) [2022-11-23 14:07:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 9820 states and 14346 transitions. [2022-11-23 14:07:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2022-11-23 14:07:08,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:08,828 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] [2022-11-23 14:07:08,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:07:08,829 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] === [2022-11-23 14:07:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:08,830 INFO L85 PathProgramCache]: Analyzing trace with hash 151181607, now seen corresponding path program 1 times [2022-11-23 14:07:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:08,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366234493] [2022-11-23 14:07:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:08,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 14:07:11,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:11,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366234493] [2022-11-23 14:07:11,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366234493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:11,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:11,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:07:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301583485] [2022-11-23 14:07:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:11,521 INFO L87 Difference]: Start difference. First operand 9820 states and 14346 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) [2022-11-23 14:07:14,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:18,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:27,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:28,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:28,557 INFO L93 Difference]: Finished difference Result 26585 states and 38593 transitions. [2022-11-23 14:07:28,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:28,559 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 [2022-11-23 14:07:28,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:28,682 INFO L225 Difference]: With dead ends: 26585 [2022-11-23 14:07:28,683 INFO L226 Difference]: Without dead ends: 16926 [2022-11-23 14:07:28,737 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 [2022-11-23 14:07:28,738 INFO L413 NwaCegarLoop]: 7922 mSDtfsCounter, 6950 mSDsluCounter, 6195 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 14117 SdHoareTripleChecker+Invalid, 2319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:28,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6957 Valid, 14117 Invalid, 2319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 2304 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-11-23 14:07:28,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16926 states. [2022-11-23 14:07:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16926 to 16902. [2022-11-23 14:07:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16902 states, 10181 states have (on average 1.3132305274530989) internal successors, (13370), 10556 states have internal predecessors, (13370), 5536 states have call successors, (5536), 1186 states have call predecessors, (5536), 1183 states have return successors, (5539), 5296 states have call predecessors, (5539), 5533 states have call successors, (5539) [2022-11-23 14:07:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16902 states to 16902 states and 24445 transitions. [2022-11-23 14:07:29,887 INFO L78 Accepts]: Start accepts. Automaton has 16902 states and 24445 transitions. Word has length 836 [2022-11-23 14:07:29,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:29,891 INFO L495 AbstractCegarLoop]: Abstraction has 16902 states and 24445 transitions. [2022-11-23 14:07:29,891 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) [2022-11-23 14:07:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 16902 states and 24445 transitions. [2022-11-23 14:07:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2022-11-23 14:07:29,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:29,936 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] [2022-11-23 14:07:29,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:07:29,937 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] === [2022-11-23 14:07:29,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:29,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1093197804, now seen corresponding path program 1 times [2022-11-23 14:07:29,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:29,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967827018] [2022-11-23 14:07:29,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:29,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 14:07:32,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:32,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967827018] [2022-11-23 14:07:32,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967827018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:32,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:32,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:07:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488715594] [2022-11-23 14:07:32,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:32,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:32,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:32,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:32,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:32,546 INFO L87 Difference]: Start difference. First operand 16902 states and 24445 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) [2022-11-23 14:07:35,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:37,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:39,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:07:50,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:50,978 INFO L93 Difference]: Finished difference Result 45452 states and 65652 transitions. [2022-11-23 14:07:50,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:50,979 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 [2022-11-23 14:07:50,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:51,164 INFO L225 Difference]: With dead ends: 45452 [2022-11-23 14:07:51,165 INFO L226 Difference]: Without dead ends: 28711 [2022-11-23 14:07:51,261 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 [2022-11-23 14:07:51,262 INFO L413 NwaCegarLoop]: 7911 mSDtfsCounter, 6939 mSDsluCounter, 6189 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6944 SdHoareTripleChecker+Valid, 14100 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:51,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6944 Valid, 14100 Invalid, 2336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2317 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2022-11-23 14:07:51,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28711 states. [2022-11-23 14:07:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28711 to 28687. [2022-11-23 14:07:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28687 states, 17284 states have (on average 1.3120805369127517) internal successors, (22678), 17942 states have internal predecessors, (22678), 9348 states have call successors, (9348), 2058 states have call predecessors, (9348), 2053 states have return successors, (9354), 8924 states have call predecessors, (9354), 9345 states have call successors, (9354) [2022-11-23 14:07:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28687 states to 28687 states and 41380 transitions. [2022-11-23 14:07:53,347 INFO L78 Accepts]: Start accepts. Automaton has 28687 states and 41380 transitions. Word has length 851 [2022-11-23 14:07:53,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:53,349 INFO L495 AbstractCegarLoop]: Abstraction has 28687 states and 41380 transitions. [2022-11-23 14:07:53,349 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) [2022-11-23 14:07:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 28687 states and 41380 transitions. [2022-11-23 14:07:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2022-11-23 14:07:53,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:53,372 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] [2022-11-23 14:07:53,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:07:53,373 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] === [2022-11-23 14:07:53,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:53,374 INFO L85 PathProgramCache]: Analyzing trace with hash -333279352, now seen corresponding path program 1 times [2022-11-23 14:07:53,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:53,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290300774] [2022-11-23 14:07:53,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:53,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 25771 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25771 trivial. 0 not checked. [2022-11-23 14:07:57,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290300774] [2022-11-23 14:07:57,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290300774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:57,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:57,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:07:57,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420437129] [2022-11-23 14:07:57,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:57,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:07:57,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:57,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:07:57,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:07:57,891 INFO L87 Difference]: Start difference. First operand 28687 states and 41380 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) [2022-11-23 14:08:01,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:06,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:13,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:08:13,876 INFO L93 Difference]: Finished difference Result 28687 states and 41380 transitions. [2022-11-23 14:08:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:08:13,877 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 [2022-11-23 14:08:13,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:08:14,055 INFO L225 Difference]: With dead ends: 28687 [2022-11-23 14:08:14,056 INFO L226 Difference]: Without dead ends: 28668 [2022-11-23 14:08:14,075 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 [2022-11-23 14:08:14,079 INFO L413 NwaCegarLoop]: 6217 mSDtfsCounter, 7140 mSDsluCounter, 6217 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7144 SdHoareTripleChecker+Valid, 12434 SdHoareTripleChecker+Invalid, 2238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:08:14,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7144 Valid, 12434 Invalid, 2238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2236 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-11-23 14:08:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28668 states. [2022-11-23 14:08:15,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28668 to 28668. [2022-11-23 14:08:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28668 states, 17278 states have (on average 1.311494385924297) internal successors, (22660), 17930 states have internal predecessors, (22660), 9338 states have call successors, (9338), 2055 states have call predecessors, (9338), 2051 states have return successors, (9347), 8920 states have call predecessors, (9347), 9338 states have call successors, (9347) [2022-11-23 14:08:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28668 states to 28668 states and 41345 transitions. [2022-11-23 14:08:16,222 INFO L78 Accepts]: Start accepts. Automaton has 28668 states and 41345 transitions. Word has length 858 [2022-11-23 14:08:16,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:08:16,223 INFO L495 AbstractCegarLoop]: Abstraction has 28668 states and 41345 transitions. [2022-11-23 14:08:16,223 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) [2022-11-23 14:08:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 28668 states and 41345 transitions. [2022-11-23 14:08:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2022-11-23 14:08:16,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:08:16,267 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] [2022-11-23 14:08:16,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:08:16,267 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] === [2022-11-23 14:08:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:08:16,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1407595477, now seen corresponding path program 1 times [2022-11-23 14:08:16,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:08:16,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245428938] [2022-11-23 14:08:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:16,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:08:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26732 trivial. 0 not checked. [2022-11-23 14:08:18,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:18,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245428938] [2022-11-23 14:08:18,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245428938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:08:18,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:08:18,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:08:18,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578191282] [2022-11-23 14:08:18,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:08:18,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:08:18,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:08:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:08:18,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:08:18,991 INFO L87 Difference]: Start difference. First operand 28668 states and 41345 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) [2022-11-23 14:08:23,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:28,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:35,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:36,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:08:36,754 INFO L93 Difference]: Finished difference Result 78420 states and 113209 transitions. [2022-11-23 14:08:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:08:36,755 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 [2022-11-23 14:08:36,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:08:37,281 INFO L225 Difference]: With dead ends: 78420 [2022-11-23 14:08:37,281 INFO L226 Difference]: Without dead ends: 49913 [2022-11-23 14:08:37,430 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 [2022-11-23 14:08:37,431 INFO L413 NwaCegarLoop]: 7769 mSDtfsCounter, 6973 mSDsluCounter, 6180 mSDsCounter, 0 mSdLazyCounter, 2263 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 13949 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2263 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:08:37,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 13949 Invalid, 2278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2263 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2022-11-23 14:08:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49913 states. [2022-11-23 14:08:40,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49913 to 49898. [2022-11-23 14:08:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49898 states, 30134 states have (on average 1.3132010353753236) internal successors, (39572), 31271 states have internal predecessors, (39572), 16223 states have call successors, (16223), 3548 states have call predecessors, (16223), 3540 states have return successors, (16241), 15491 states have call predecessors, (16241), 16223 states have call successors, (16241) [2022-11-23 14:08:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49898 states to 49898 states and 72036 transitions. [2022-11-23 14:08:40,889 INFO L78 Accepts]: Start accepts. Automaton has 49898 states and 72036 transitions. Word has length 876 [2022-11-23 14:08:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:08:40,890 INFO L495 AbstractCegarLoop]: Abstraction has 49898 states and 72036 transitions. [2022-11-23 14:08:40,890 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) [2022-11-23 14:08:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 49898 states and 72036 transitions. [2022-11-23 14:08:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2022-11-23 14:08:40,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:08:40,980 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] [2022-11-23 14:08:40,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:08:40,980 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] === [2022-11-23 14:08:40,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:08:40,981 INFO L85 PathProgramCache]: Analyzing trace with hash -967673293, now seen corresponding path program 1 times [2022-11-23 14:08:40,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:08:40,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068458200] [2022-11-23 14:08:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:08:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 25959 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25952 trivial. 0 not checked. [2022-11-23 14:08:44,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:44,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068458200] [2022-11-23 14:08:44,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068458200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:08:44,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:08:44,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 14:08:44,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582448153] [2022-11-23 14:08:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:08:44,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:08:44,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:08:44,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:08:44,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:08:44,227 INFO L87 Difference]: Start difference. First operand 49898 states and 72036 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) [2022-11-23 14:08:50,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:08:56,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:05,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:09,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:13,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:17,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:21,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:42,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:46,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:49,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:09:50,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:09:50,637 INFO L93 Difference]: Finished difference Result 125720 states and 182514 transitions. [2022-11-23 14:09:50,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:09:50,639 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 [2022-11-23 14:09:50,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:09:51,482 INFO L225 Difference]: With dead ends: 125720 [2022-11-23 14:09:51,483 INFO L226 Difference]: Without dead ends: 87702 [2022-11-23 14:09:51,648 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 [2022-11-23 14:09:51,649 INFO L413 NwaCegarLoop]: 13137 mSDtfsCounter, 13211 mSDsluCounter, 15094 mSDsCounter, 0 mSdLazyCounter, 16093 mSolverCounterSat, 1606 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13716 SdHoareTripleChecker+Valid, 28231 SdHoareTripleChecker+Invalid, 17705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1606 IncrementalHoareTripleChecker+Valid, 16093 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2022-11-23 14:09:51,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13716 Valid, 28231 Invalid, 17705 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1606 Valid, 16093 Invalid, 6 Unknown, 0 Unchecked, 61.3s Time] [2022-11-23 14:09:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87702 states. [2022-11-23 14:09:56,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87702 to 87658. [2022-11-23 14:09:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87658 states, 53100 states have (on average 1.3175894538606403) internal successors, (69964), 55039 states have internal predecessors, (69964), 28519 states have call successors, (28519), 6054 states have call predecessors, (28519), 6038 states have return successors, (28549), 27273 states have call predecessors, (28549), 28519 states have call successors, (28549) [2022-11-23 14:09:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87658 states to 87658 states and 127032 transitions. [2022-11-23 14:09:57,505 INFO L78 Accepts]: Start accepts. Automaton has 87658 states and 127032 transitions. Word has length 900 [2022-11-23 14:09:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:09:57,506 INFO L495 AbstractCegarLoop]: Abstraction has 87658 states and 127032 transitions. [2022-11-23 14:09:57,506 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) [2022-11-23 14:09:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 87658 states and 127032 transitions. [2022-11-23 14:09:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2022-11-23 14:09:57,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:09:57,606 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] [2022-11-23 14:09:57,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:09:57,606 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] === [2022-11-23 14:09:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:09:57,607 INFO L85 PathProgramCache]: Analyzing trace with hash -956931359, now seen corresponding path program 1 times [2022-11-23 14:09:57,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:09:57,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822757230] [2022-11-23 14:09:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:57,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:09:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:10:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25963 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25956 trivial. 0 not checked. [2022-11-23 14:10:00,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:10:00,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822757230] [2022-11-23 14:10:00,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822757230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:10:00,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:10:00,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:10:00,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334063108] [2022-11-23 14:10:00,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:10:00,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:10:00,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:10:00,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:10:00,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:10:00,093 INFO L87 Difference]: Start difference. First operand 87658 states and 127032 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) [2022-11-23 14:10:03,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:10:07,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:10:09,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:10:13,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:10:25,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []