./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P --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 c25ee40b84da0e037e1d80db414ed17491ea7807f66e1b888adc8df58baa009c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:13:39,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:13:39,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:13:39,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:13:39,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:13:39,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:13:39,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:13:39,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:13:39,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:13:39,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:13:39,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:13:39,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:13:39,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:13:39,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:13:39,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:13:39,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:13:39,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:13:39,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:13:39,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:13:39,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:13:39,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:13:39,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:13:39,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:13:39,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:13:39,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:13:39,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:13:39,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:13:39,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:13:39,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:13:39,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:13:39,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:13:39,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:13:39,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:13:39,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:13:39,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:13:39,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:13:39,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:13:39,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:13:39,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:13:39,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:13:39,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:13:39,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:13:39,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:13:39,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:13:39,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:13:39,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:13:39,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:13:39,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:13:39,547 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:13:39,547 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:13:39,547 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:13:39,548 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:13:39,548 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:13:39,548 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:13:39,548 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:13:39,548 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:13:39,549 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:13:39,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:13:39,549 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:13:39,549 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:13:39,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:13:39,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:13:39,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:13:39,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:13:39,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:13:39,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:13:39,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:13:39,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:13:39,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:13:39,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:13:39,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:13:39,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:13:39,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:13:39,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:13:39,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:13:39,553 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:13:39,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:13:39,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:13:39,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:13:39,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:13:39,555 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c25ee40b84da0e037e1d80db414ed17491ea7807f66e1b888adc8df58baa009c [2021-11-21 00:13:39,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:13:39,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:13:39,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:13:39,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:13:39,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:13:39,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:13:39,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/data/444347445/cfbf0767794d48caafe6f62991aea1da/FLAGed96568b3 [2021-11-21 00:13:41,246 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:13:41,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:13:41,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/data/444347445/cfbf0767794d48caafe6f62991aea1da/FLAGed96568b3 [2021-11-21 00:13:41,839 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/data/444347445/cfbf0767794d48caafe6f62991aea1da [2021-11-21 00:13:41,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:13:41,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:13:41,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:13:41,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:13:41,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:13:41,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:13:41" (1/1) ... [2021-11-21 00:13:41,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200b5798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:41, skipping insertion in model container [2021-11-21 00:13:41,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:13:41" (1/1) ... [2021-11-21 00:13:41,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:13:42,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:13:54,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[887989,888002] [2021-11-21 00:13:54,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[888134,888147] [2021-11-21 00:13:54,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:13:54,476 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:13:55,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[887989,888002] [2021-11-21 00:13:55,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[888134,888147] [2021-11-21 00:13:55,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:13:56,437 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:13:56,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56 WrapperNode [2021-11-21 00:13:56,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:13:56,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:13:56,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:13:56,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:13:56,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:56,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:57,603 INFO L137 Inliner]: procedures = 1122, calls = 12823, calls flagged for inlining = 622, calls inlined = 583, statements flattened = 22719 [2021-11-21 00:13:57,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:13:57,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:13:57,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:13:57,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:13:57,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:57,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:57,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:57,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:58,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:58,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:59,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:59,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:13:59,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:13:59,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:13:59,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:13:59,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (1/1) ... [2021-11-21 00:13:59,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:13:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:13:59,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:13:59,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:13:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-21 00:13:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-21 00:13:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 00:13:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 00:13:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-21 00:13:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-21 00:13:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 00:13:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 00:13:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-21 00:13:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-21 00:13:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_130 [2021-11-21 00:13:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_130 [2021-11-21 00:13:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-21 00:13:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-21 00:13:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:13:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:13:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-21 00:13:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-21 00:13:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:13:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:13:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 00:13:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 00:13:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:13:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-21 00:13:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-21 00:13:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-21 00:13:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-21 00:13:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-21 00:13:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-21 00:13:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-21 00:13:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:13:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:13:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:13:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:13:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-21 00:13:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-21 00:13:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-21 00:13:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-21 00:13:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:13:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:13:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-21 00:13:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-21 00:13:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-21 00:13:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-21 00:13:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-21 00:13:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-21 00:13:59,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_115 [2021-11-21 00:13:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_115 [2021-11-21 00:13:59,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 00:13:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 00:13:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-21 00:13:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-21 00:13:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-21 00:13:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-21 00:13:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-21 00:13:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-21 00:13:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:13:59,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:13:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-21 00:13:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-21 00:13:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-21 00:13:59,415 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-21 00:13:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-21 00:13:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-21 00:13:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:13:59,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:13:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:13:59,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-21 00:13:59,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-21 00:13:59,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:13:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:13:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-21 00:13:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-21 00:13:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-21 00:13:59,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-21 00:13:59,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:13:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:13:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-21 00:13:59,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-21 00:13:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-21 00:13:59,420 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-21 00:13:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-21 00:13:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-21 00:13:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-21 00:13:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-21 00:13:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-21 00:13:59,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-21 00:13:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-21 00:13:59,422 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-21 00:13:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:13:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 00:13:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 00:13:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 00:13:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 00:13:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-21 00:13:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-21 00:13:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-21 00:13:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-21 00:13:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-21 00:13:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-21 00:13:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-21 00:13:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-21 00:13:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:13:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:13:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-21 00:13:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-21 00:13:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-21 00:13:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-21 00:13:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-21 00:13:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-21 00:13:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:13:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:13:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:13:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:13:59,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:13:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-21 00:13:59,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-21 00:13:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:13:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-21 00:13:59,441 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-21 00:13:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:13:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-21 00:13:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-21 00:13:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 00:13:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 00:13:59,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-21 00:13:59,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-21 00:13:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-21 00:13:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-21 00:13:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:13:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:13:59,443 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-21 00:13:59,443 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-21 00:13:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:13:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:13:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-21 00:13:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-21 00:13:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-21 00:13:59,444 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-21 00:13:59,444 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:13:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:13:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-21 00:13:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-21 00:13:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-21 00:13:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-21 00:13:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:13:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:13:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-21 00:13:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-21 00:13:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-21 00:13:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-21 00:13:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-21 00:13:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-21 00:13:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-21 00:13:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-21 00:13:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:13:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:13:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-21 00:13:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-21 00:13:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-21 00:13:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-21 00:13:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-21 00:13:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-21 00:13:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-21 00:13:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-21 00:13:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-21 00:13:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-21 00:13:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-21 00:13:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-21 00:13:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:13:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:13:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-21 00:13:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-21 00:13:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:13:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:13:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-21 00:13:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-21 00:13:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-21 00:13:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-21 00:13:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-21 00:13:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-21 00:13:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-21 00:13:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-21 00:13:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:13:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:13:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:13:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-21 00:13:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-21 00:13:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-21 00:13:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-21 00:13:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:13:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:13:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 00:13:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-21 00:13:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-21 00:13:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:13:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:13:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-21 00:13:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-21 00:13:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-21 00:13:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-21 00:13:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-21 00:13:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-21 00:13:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-21 00:13:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-21 00:13:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 00:13:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 00:13:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-21 00:13:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-21 00:13:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-21 00:13:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-21 00:13:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:13:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:13:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-21 00:13:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-21 00:13:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 00:13:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 00:13:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-21 00:13:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-21 00:13:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-21 00:13:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-21 00:13:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:13:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:13:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-21 00:13:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-21 00:13:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:13:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-21 00:13:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-21 00:13:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-21 00:13:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-21 00:13:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:13:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:13:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:13:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-21 00:13:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-21 00:13:59,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_109 [2021-11-21 00:13:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_109 [2021-11-21 00:13:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-21 00:13:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-21 00:13:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-21 00:13:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-21 00:13:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-21 00:13:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-21 00:13:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-21 00:13:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-21 00:13:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-11-21 00:13:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-11-21 00:13:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_85 [2021-11-21 00:13:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_85 [2021-11-21 00:13:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-21 00:13:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-21 00:13:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-21 00:13:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-21 00:13:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:13:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:13:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-21 00:13:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-21 00:13:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 00:13:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 00:13:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:13:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:13:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-21 00:13:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-21 00:13:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-21 00:13:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-21 00:13:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-21 00:13:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-21 00:13:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-21 00:13:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-21 00:13:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 00:13:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 00:13:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:13:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:13:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-21 00:13:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-21 00:13:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:13:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:13:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-21 00:13:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-21 00:13:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-21 00:13:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-21 00:13:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:13:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-21 00:13:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-21 00:13:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-21 00:13:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-21 00:13:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:13:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:13:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-21 00:13:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-21 00:13:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-21 00:13:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-21 00:13:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-21 00:13:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-21 00:13:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-21 00:13:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-21 00:13:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:13:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:13:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 00:13:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 00:13:59,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-21 00:13:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-21 00:13:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-21 00:13:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-21 00:13:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-21 00:13:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-21 00:13:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-21 00:13:59,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-21 00:13:59,473 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-21 00:13:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-21 00:13:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:13:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:13:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-21 00:13:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-21 00:13:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-21 00:13:59,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-21 00:13:59,474 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-21 00:13:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-21 00:13:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-21 00:13:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-21 00:13:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-21 00:13:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-21 00:13:59,475 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-21 00:13:59,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-21 00:13:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-21 00:13:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-21 00:13:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:13:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:13:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:13:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:13:59,476 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-21 00:13:59,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-21 00:13:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-21 00:13:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-21 00:13:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-21 00:13:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-21 00:13:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-11-21 00:13:59,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-11-21 00:13:59,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:13:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:13:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-21 00:13:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-21 00:13:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_129 [2021-11-21 00:13:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_129 [2021-11-21 00:13:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:13:59,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:13:59,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 00:13:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 00:13:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-21 00:13:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-21 00:13:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_86 [2021-11-21 00:13:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_86 [2021-11-21 00:13:59,479 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-21 00:13:59,479 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-21 00:13:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-21 00:13:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-21 00:13:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:13:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:13:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-21 00:13:59,480 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-21 00:13:59,480 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-21 00:13:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-21 00:13:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-21 00:13:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-21 00:13:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:13:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:13:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 00:13:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 00:13:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:13:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:13:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-21 00:13:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-21 00:13:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-21 00:13:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-21 00:13:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:13:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-21 00:13:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-21 00:13:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-21 00:13:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-21 00:13:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-21 00:13:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-21 00:13:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-21 00:13:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-21 00:13:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:13:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:13:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-21 00:13:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-21 00:13:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-21 00:13:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-21 00:13:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:13:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:13:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-21 00:13:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-21 00:13:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-21 00:13:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-21 00:13:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:13:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:13:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:13:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-21 00:13:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-21 00:13:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-21 00:13:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-21 00:13:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-21 00:13:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-21 00:13:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-21 00:13:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-21 00:13:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-21 00:13:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-21 00:13:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-21 00:13:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-21 00:13:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:13:59,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:13:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:13:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-21 00:13:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-21 00:13:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:13:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:13:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 00:13:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 00:13:59,489 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-21 00:13:59,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-21 00:13:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:13:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:13:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:13:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:13:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-21 00:13:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-21 00:13:59,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 00:13:59,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 00:13:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:13:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:13:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-21 00:13:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-21 00:13:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-21 00:13:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-21 00:13:59,491 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-21 00:13:59,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-21 00:13:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-21 00:13:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-21 00:13:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-21 00:13:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-21 00:13:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-21 00:13:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-21 00:13:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-21 00:13:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-21 00:13:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-21 00:13:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-21 00:13:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-21 00:13:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-21 00:13:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:13:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:13:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-21 00:13:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-21 00:13:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-21 00:13:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-21 00:13:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-21 00:13:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-21 00:13:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-21 00:13:59,494 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-21 00:13:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-21 00:13:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-21 00:13:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-21 00:13:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-21 00:13:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-21 00:13:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-21 00:13:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-21 00:13:59,495 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-21 00:13:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-21 00:13:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-21 00:13:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-21 00:13:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-21 00:13:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:13:59,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:13:59,496 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-21 00:13:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-21 00:13:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-21 00:13:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-21 00:13:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:13:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:13:59,497 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-21 00:13:59,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-21 00:13:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-21 00:13:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-21 00:13:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-21 00:13:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-21 00:13:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-21 00:13:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-21 00:13:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-21 00:13:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-21 00:13:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-21 00:13:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-21 00:13:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-21 00:13:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-21 00:13:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-21 00:13:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-21 00:13:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-21 00:13:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-21 00:13:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-21 00:13:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-21 00:13:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-21 00:13:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-21 00:13:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 00:13:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 00:13:59,500 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-21 00:13:59,500 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-21 00:13:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-21 00:13:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-21 00:13:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:13:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:13:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-21 00:13:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-21 00:13:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-21 00:13:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-21 00:13:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-21 00:13:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-21 00:13:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-21 00:13:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-21 00:13:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:13:59,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:13:59,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-21 00:13:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-21 00:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-21 00:13:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-21 00:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:13:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:13:59,503 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 00:13:59,503 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 00:13:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-21 00:13:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-21 00:13:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-21 00:13:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-21 00:13:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-21 00:13:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-21 00:13:59,504 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-21 00:13:59,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-21 00:13:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-21 00:13:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-21 00:13:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-21 00:13:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-21 00:13:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-21 00:13:59,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-21 00:13:59,505 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-21 00:13:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-21 00:13:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-21 00:13:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-21 00:13:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-21 00:13:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-21 00:13:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 00:13:59,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 00:13:59,506 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-21 00:13:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-21 00:13:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:13:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:13:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-21 00:13:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-21 00:13:59,507 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-21 00:13:59,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-21 00:13:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:13:59,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:13:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-21 00:13:59,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-21 00:13:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:13:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-21 00:13:59,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-21 00:13:59,508 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 00:13:59,509 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 00:13:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-21 00:13:59,509 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-21 00:13:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 00:13:59,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 00:13:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-21 00:13:59,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-21 00:13:59,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:13:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:13:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-21 00:13:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-21 00:13:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 00:13:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 00:13:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-21 00:13:59,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-21 00:13:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 00:13:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 00:13:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:13:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:13:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-21 00:13:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-21 00:13:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-21 00:13:59,511 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-21 00:13:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-21 00:13:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-21 00:13:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-21 00:13:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-21 00:13:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-21 00:13:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-21 00:13:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-21 00:13:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-21 00:13:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:13:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:13:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-21 00:13:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-21 00:13:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:13:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:13:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-21 00:13:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-21 00:13:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-21 00:13:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-21 00:13:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:13:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:13:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-21 00:13:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-21 00:13:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-21 00:13:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-21 00:13:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 00:13:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 00:13:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-21 00:13:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-21 00:13:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-21 00:13:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-21 00:13:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-21 00:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-21 00:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-21 00:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-21 00:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-21 00:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-21 00:13:59,516 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-21 00:13:59,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-21 00:13:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-21 00:13:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-21 00:13:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:13:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:13:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 00:13:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 00:13:59,517 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-21 00:13:59,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-21 00:13:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-21 00:13:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-21 00:13:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:13:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:13:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-21 00:13:59,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-21 00:13:59,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 00:13:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 00:13:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:13:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:13:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-21 00:13:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-21 00:13:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:13:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:13:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-21 00:13:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-21 00:13:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-21 00:13:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-21 00:13:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-21 00:13:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-21 00:13:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:13:59,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:13:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:13:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-21 00:13:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-21 00:13:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-21 00:13:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-21 00:13:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-21 00:13:59,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-21 00:13:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 00:13:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 00:13:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-21 00:13:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-21 00:13:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-21 00:13:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-21 00:13:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-21 00:13:59,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-21 00:14:01,847 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:14:01,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:14:02,075 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:14:36,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 00:14:36,778 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:14:43,550 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:14:43,550 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 00:14:43,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:43 BoogieIcfgContainer [2021-11-21 00:14:43,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:14:43,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:14:43,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:14:43,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:14:43,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:13:41" (1/3) ... [2021-11-21 00:14:43,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:43, skipping insertion in model container [2021-11-21 00:14:43,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:13:56" (2/3) ... [2021-11-21 00:14:43,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d4210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:43, skipping insertion in model container [2021-11-21 00:14:43,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:43" (3/3) ... [2021-11-21 00:14:43,568 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-21 00:14:43,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:14:43,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:14:43,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:14:43,652 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:14:43,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:14:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 5115 states, 3053 states have (on average 1.3190304618408124) internal successors, (4027), 3149 states have internal predecessors, (4027), 1735 states have call successors, (1735), 327 states have call predecessors, (1735), 326 states have return successors, (1721), 1663 states have call predecessors, (1721), 1721 states have call successors, (1721) [2021-11-21 00:14:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2021-11-21 00:14:43,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:43,894 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:43,895 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:43,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:43,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1825116573, now seen corresponding path program 1 times [2021-11-21 00:14:43,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:43,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284687923] [2021-11-21 00:14:43,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:43,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:14:46,649 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:46,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284687923] [2021-11-21 00:14:46,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284687923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:46,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:46,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:14:46,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800147955] [2021-11-21 00:14:46,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:46,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:14:46,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:46,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:14:46,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:46,717 INFO L87 Difference]: Start difference. First operand has 5115 states, 3053 states have (on average 1.3190304618408124) internal successors, (4027), 3149 states have internal predecessors, (4027), 1735 states have call successors, (1735), 327 states have call predecessors, (1735), 326 states have return successors, (1721), 1663 states have call predecessors, (1721), 1721 states have call successors, (1721) Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2021-11-21 00:14:49,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:14:52,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:14:54,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:14:56,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:05,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:05,365 INFO L93 Difference]: Finished difference Result 14920 states and 22117 transitions. [2021-11-21 00:15:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:15:05,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) Word has length 874 [2021-11-21 00:15:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:05,494 INFO L225 Difference]: With dead ends: 14920 [2021-11-21 00:15:05,494 INFO L226 Difference]: Without dead ends: 9890 [2021-11-21 00:15:05,547 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:15:05,551 INFO L933 BasicCegarLoop]: 8019 mSDtfsCounter, 7094 mSDsluCounter, 7419 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7100 SdHoareTripleChecker+Valid, 14323 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:05,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7100 Valid, 14323 Invalid, 2337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2318 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2021-11-21 00:15:05,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9890 states. [2021-11-21 00:15:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9890 to 9884. [2021-11-21 00:15:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9884 states, 5951 states have (on average 1.318769954629474) internal successors, (7848), 6144 states have internal predecessors, (7848), 3286 states have call successors, (3286), 647 states have call predecessors, (3286), 646 states have return successors, (3288), 3166 states have call predecessors, (3288), 3286 states have call successors, (3288) [2021-11-21 00:15:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9884 states to 9884 states and 14422 transitions. [2021-11-21 00:15:06,745 INFO L78 Accepts]: Start accepts. Automaton has 9884 states and 14422 transitions. Word has length 874 [2021-11-21 00:15:06,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:06,753 INFO L470 AbstractCegarLoop]: Abstraction has 9884 states and 14422 transitions. [2021-11-21 00:15:06,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2021-11-21 00:15:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9884 states and 14422 transitions. [2021-11-21 00:15:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2021-11-21 00:15:06,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:06,855 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:06,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:15:06,856 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:06,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:06,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1008614535, now seen corresponding path program 1 times [2021-11-21 00:15:06,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:06,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12349518] [2021-11-21 00:15:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:06,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:15:08,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:08,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12349518] [2021-11-21 00:15:08,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12349518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:15:08,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:15:08,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:15:08,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822421618] [2021-11-21 00:15:08,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:15:08,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:15:08,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:15:08,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:15:08,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:15:08,739 INFO L87 Difference]: Start difference. First operand 9884 states and 14422 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2021-11-21 00:15:11,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:13,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:15,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:18,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:27,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:28,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:28,754 INFO L93 Difference]: Finished difference Result 29111 states and 42460 transitions. [2021-11-21 00:15:28,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:15:28,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) Word has length 875 [2021-11-21 00:15:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:28,938 INFO L225 Difference]: With dead ends: 29111 [2021-11-21 00:15:28,939 INFO L226 Difference]: Without dead ends: 19388 [2021-11-21 00:15:29,152 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:15:29,154 INFO L933 BasicCegarLoop]: 7826 mSDtfsCounter, 6932 mSDsluCounter, 7299 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6936 SdHoareTripleChecker+Valid, 14028 SdHoareTripleChecker+Invalid, 2376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:29,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6936 Valid, 14028 Invalid, 2376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 2345 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2021-11-21 00:15:29,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19388 states. [2021-11-21 00:15:30,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19388 to 19381. [2021-11-21 00:15:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19381 states, 11663 states have (on average 1.3167281145502872) internal successors, (15357), 12053 states have internal predecessors, (15357), 6428 states have call successors, (6428), 1292 states have call predecessors, (6428), 1289 states have return successors, (6432), 6183 states have call predecessors, (6432), 6428 states have call successors, (6432) [2021-11-21 00:15:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19381 states to 19381 states and 28217 transitions. [2021-11-21 00:15:30,491 INFO L78 Accepts]: Start accepts. Automaton has 19381 states and 28217 transitions. Word has length 875 [2021-11-21 00:15:30,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:30,494 INFO L470 AbstractCegarLoop]: Abstraction has 19381 states and 28217 transitions. [2021-11-21 00:15:30,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (86), 3 states have call predecessors, (86), 3 states have call successors, (86) [2021-11-21 00:15:30,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19381 states and 28217 transitions. [2021-11-21 00:15:30,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2021-11-21 00:15:30,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:30,589 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:30,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:15:30,590 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:30,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:30,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1132291514, now seen corresponding path program 1 times [2021-11-21 00:15:30,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:30,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919496941] [2021-11-21 00:15:30,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:30,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:15:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-21 00:15:32,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:15:32,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919496941] [2021-11-21 00:15:32,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919496941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:15:32,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:15:32,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:15:32,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100991630] [2021-11-21 00:15:32,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:15:32,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:15:32,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:15:32,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:15:32,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:15:32,009 INFO L87 Difference]: Start difference. First operand 19381 states and 28217 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2021-11-21 00:15:35,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:37,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:39,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:49,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:15:51,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:15:51,363 INFO L93 Difference]: Finished difference Result 57560 states and 83771 transitions. [2021-11-21 00:15:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:15:51,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) Word has length 883 [2021-11-21 00:15:51,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:15:51,584 INFO L225 Difference]: With dead ends: 57560 [2021-11-21 00:15:51,585 INFO L226 Difference]: Without dead ends: 38340 [2021-11-21 00:15:51,682 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:15:51,685 INFO L933 BasicCegarLoop]: 8116 mSDtfsCounter, 7004 mSDsluCounter, 7337 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7012 SdHoareTripleChecker+Valid, 14345 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:15:51,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7012 Valid, 14345 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2355 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2021-11-21 00:15:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38340 states. [2021-11-21 00:15:53,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38340 to 38323. [2021-11-21 00:15:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38323 states, 23069 states have (on average 1.316095192682821) internal successors, (30361), 23863 states have internal predecessors, (30361), 12680 states have call successors, (12680), 2580 states have call predecessors, (12680), 2573 states have return successors, (12698), 12175 states have call predecessors, (12698), 12680 states have call successors, (12698) [2021-11-21 00:15:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38323 states to 38323 states and 55739 transitions. [2021-11-21 00:15:54,456 INFO L78 Accepts]: Start accepts. Automaton has 38323 states and 55739 transitions. Word has length 883 [2021-11-21 00:15:54,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:15:54,458 INFO L470 AbstractCegarLoop]: Abstraction has 38323 states and 55739 transitions. [2021-11-21 00:15:54,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (91), 2 states have call predecessors, (91), 1 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2021-11-21 00:15:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 38323 states and 55739 transitions. [2021-11-21 00:15:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2021-11-21 00:15:54,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:15:54,577 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:15:54,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:15:54,578 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:15:54,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:15:54,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1701400866, now seen corresponding path program 1 times [2021-11-21 00:15:54,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:15:54,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350600539] [2021-11-21 00:15:54,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:54,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:15:55,393 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:15:55,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853228571] [2021-11-21 00:15:55,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:15:55,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:15:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:15:55,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:15:55,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:16:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:00,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 21559 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:16:00,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:16:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-21 00:16:02,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:16:02,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:02,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350600539] [2021-11-21 00:16:02,185 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:16:02,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853228571] [2021-11-21 00:16:02,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853228571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:02,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:02,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:16:02,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719544392] [2021-11-21 00:16:02,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:02,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:02,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:02,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:02,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:02,191 INFO L87 Difference]: Start difference. First operand 38323 states and 55739 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2021-11-21 00:16:04,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:06,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:14,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:20,044 INFO L93 Difference]: Finished difference Result 113326 states and 164775 transitions. [2021-11-21 00:16:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:20,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 899 [2021-11-21 00:16:20,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:20,533 INFO L225 Difference]: With dead ends: 113326 [2021-11-21 00:16:20,534 INFO L226 Difference]: Without dead ends: 75164 [2021-11-21 00:16:20,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 898 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:20,933 INFO L933 BasicCegarLoop]: 7822 mSDtfsCounter, 6875 mSDsluCounter, 7381 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6879 SdHoareTripleChecker+Valid, 14076 SdHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:16:20,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6879 Valid, 14076 Invalid, 2267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2265 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2021-11-21 00:16:21,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75164 states. [2021-11-21 00:16:24,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75164 to 75153. [2021-11-21 00:16:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75153 states, 45255 states have (on average 1.3180201082753287) internal successors, (59647), 46851 states have internal predecessors, (59647), 24784 states have call successors, (24784), 5128 states have call predecessors, (24784), 5113 states have return successors, (24828), 23765 states have call predecessors, (24828), 24784 states have call successors, (24828) [2021-11-21 00:16:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75153 states to 75153 states and 109259 transitions. [2021-11-21 00:16:25,866 INFO L78 Accepts]: Start accepts. Automaton has 75153 states and 109259 transitions. Word has length 899 [2021-11-21 00:16:25,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:25,868 INFO L470 AbstractCegarLoop]: Abstraction has 75153 states and 109259 transitions. [2021-11-21 00:16:25,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2021-11-21 00:16:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75153 states and 109259 transitions. [2021-11-21 00:16:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-11-21 00:16:26,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:26,007 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:26,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:16:26,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91ef6ca5-e3ed-4edf-a980-97db40fd1d74/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:26,234 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:16:26,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:26,234 INFO L85 PathProgramCache]: Analyzing trace with hash 196430762, now seen corresponding path program 1 times [2021-11-21 00:16:26,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:26,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872681457] [2021-11-21 00:16:26,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:26,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 25442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25442 trivial. 0 not checked. [2021-11-21 00:16:27,802 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:27,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872681457] [2021-11-21 00:16:27,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872681457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:27,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:27,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:16:27,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353180185] [2021-11-21 00:16:27,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:27,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:27,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:27,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:27,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:27,807 INFO L87 Difference]: Start difference. First operand 75153 states and 109259 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (95), 2 states have call predecessors, (95), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:16:29,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:32,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:36,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:39,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:39,176 INFO L93 Difference]: Finished difference Result 106741 states and 154738 transitions. [2021-11-21 00:16:39,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (95), 2 states have call predecessors, (95), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 900 [2021-11-21 00:16:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:39,451 INFO L225 Difference]: With dead ends: 106741 [2021-11-21 00:16:39,451 INFO L226 Difference]: Without dead ends: 31749 [2021-11-21 00:16:39,757 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:16:39,758 INFO L933 BasicCegarLoop]: 5177 mSDtfsCounter, 5869 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5872 SdHoareTripleChecker+Valid, 5432 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:16:39,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5872 Valid, 5432 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 973 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2021-11-21 00:16:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31749 states. [2021-11-21 00:16:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31749 to 31749. [2021-11-21 00:16:41,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31749 states, 19063 states have (on average 1.3158474531815558) internal successors, (25084), 19801 states have internal predecessors, (25084), 10292 states have call successors, (10292), 2400 states have call predecessors, (10292), 2393 states have return successors, (10304), 9811 states have call predecessors, (10304), 10292 states have call successors, (10304) [2021-11-21 00:16:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31749 states to 31749 states and 45680 transitions. [2021-11-21 00:16:42,110 INFO L78 Accepts]: Start accepts. Automaton has 31749 states and 45680 transitions. Word has length 900 [2021-11-21 00:16:42,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:42,111 INFO L470 AbstractCegarLoop]: Abstraction has 31749 states and 45680 transitions. [2021-11-21 00:16:42,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (95), 2 states have call predecessors, (95), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:16:42,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31749 states and 45680 transitions. [2021-11-21 00:16:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2021-11-21 00:16:42,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:42,198 INFO L514 BasicCegarLoop]: trace histogram [82, 80, 80, 80, 80, 80, 80, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:42,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:16:42,198 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:16:42,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:42,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1337250289, now seen corresponding path program 1 times [2021-11-21 00:16:42,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:42,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040392925] [2021-11-21 00:16:42,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:42,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 25605 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25602 trivial. 0 not checked. [2021-11-21 00:16:43,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040392925] [2021-11-21 00:16:43,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040392925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:43,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:43,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:16:43,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876956] [2021-11-21 00:16:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:43,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:43,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:43,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:43,671 INFO L87 Difference]: Start difference. First operand 31749 states and 45680 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:16:46,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:48,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:16:59,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:00,552 INFO L93 Difference]: Finished difference Result 71069 states and 102170 transitions. [2021-11-21 00:17:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:00,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 897 [2021-11-21 00:17:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:00,756 INFO L225 Difference]: With dead ends: 71069 [2021-11-21 00:17:00,757 INFO L226 Difference]: Without dead ends: 39499 [2021-11-21 00:17:00,874 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:17:00,874 INFO L933 BasicCegarLoop]: 6611 mSDtfsCounter, 5587 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5592 SdHoareTripleChecker+Valid, 11737 SdHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:00,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5592 Valid, 11737 Invalid, 2023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2006 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-21 00:17:00,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39499 states. [2021-11-21 00:17:03,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39499 to 39488. [2021-11-21 00:17:03,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39488 states, 23721 states have (on average 1.3141098604611947) internal successors, (31172), 24639 states have internal predecessors, (31172), 12762 states have call successors, (12762), 3013 states have call predecessors, (12762), 3004 states have return successors, (12778), 12163 states have call predecessors, (12778), 12762 states have call successors, (12778) [2021-11-21 00:17:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39488 states to 39488 states and 56712 transitions. [2021-11-21 00:17:03,224 INFO L78 Accepts]: Start accepts. Automaton has 39488 states and 56712 transitions. Word has length 897 [2021-11-21 00:17:03,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:03,225 INFO L470 AbstractCegarLoop]: Abstraction has 39488 states and 56712 transitions. [2021-11-21 00:17:03,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:17:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 39488 states and 56712 transitions. [2021-11-21 00:17:03,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-11-21 00:17:03,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:03,281 INFO L514 BasicCegarLoop]: trace histogram [82, 80, 80, 80, 80, 80, 80, 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, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:03,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:17:03,282 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:17:03,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash 803942095, now seen corresponding path program 1 times [2021-11-21 00:17:03,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:03,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391797739] [2021-11-21 00:17:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:03,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 25614 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25602 trivial. 0 not checked. [2021-11-21 00:17:04,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:04,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391797739] [2021-11-21 00:17:04,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391797739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:04,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:04,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:17:04,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226231486] [2021-11-21 00:17:04,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:04,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:04,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:04,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:04,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:04,751 INFO L87 Difference]: Start difference. First operand 39488 states and 56712 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:17:08,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:12,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:21,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:22,117 INFO L93 Difference]: Finished difference Result 106172 states and 152502 transitions. [2021-11-21 00:17:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 900 [2021-11-21 00:17:22,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:22,705 INFO L225 Difference]: With dead ends: 106172 [2021-11-21 00:17:22,705 INFO L226 Difference]: Without dead ends: 66863 [2021-11-21 00:17:22,859 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:17:22,860 INFO L933 BasicCegarLoop]: 6570 mSDtfsCounter, 5793 mSDsluCounter, 6091 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5796 SdHoareTripleChecker+Valid, 11713 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:22,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5796 Valid, 11713 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2009 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2021-11-21 00:17:22,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66863 states. [2021-11-21 00:17:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66863 to 66844. [2021-11-21 00:17:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66844 states, 40179 states have (on average 1.313945095696757) internal successors, (52793), 41752 states have internal predecessors, (52793), 21557 states have call successors, (21557), 5123 states have call predecessors, (21557), 5107 states have return successors, (21583), 20528 states have call predecessors, (21583), 21557 states have call successors, (21583) [2021-11-21 00:17:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66844 states to 66844 states and 95933 transitions. [2021-11-21 00:17:26,157 INFO L78 Accepts]: Start accepts. Automaton has 66844 states and 95933 transitions. Word has length 900 [2021-11-21 00:17:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:26,173 INFO L470 AbstractCegarLoop]: Abstraction has 66844 states and 95933 transitions. [2021-11-21 00:17:26,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2021-11-21 00:17:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 66844 states and 95933 transitions. [2021-11-21 00:17:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-11-21 00:17:26,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:26,271 INFO L514 BasicCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:26,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:17:26,271 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:17:26,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash 419832267, now seen corresponding path program 1 times [2021-11-21 00:17:26,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:26,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798758807] [2021-11-21 00:17:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:26,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:17:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:17:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 25446 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25446 trivial. 0 not checked. [2021-11-21 00:17:27,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:17:27,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798758807] [2021-11-21 00:17:27,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798758807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:17:27,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:17:27,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:17:27,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113136930] [2021-11-21 00:17:27,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:17:27,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:17:27,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:17:27,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:17:27,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:17:27,410 INFO L87 Difference]: Start difference. First operand 66844 states and 95933 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2021-11-21 00:17:30,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:35,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:37,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:17:46,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:17:46,355 INFO L93 Difference]: Finished difference Result 199765 states and 289724 transitions. [2021-11-21 00:17:46,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:17:46,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) Word has length 917 [2021-11-21 00:17:46,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:17:47,002 INFO L225 Difference]: With dead ends: 199765 [2021-11-21 00:17:47,003 INFO L226 Difference]: Without dead ends: 133100 [2021-11-21 00:17:47,447 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:17:47,447 INFO L933 BasicCegarLoop]: 7012 mSDtfsCounter, 5967 mSDsluCounter, 6201 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5970 SdHoareTripleChecker+Valid, 12260 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:17:47,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5970 Valid, 12260 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2004 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2021-11-21 00:17:47,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133100 states. [2021-11-21 00:17:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133100 to 133041. [2021-11-21 00:17:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133041 states, 79988 states have (on average 1.3143221483222483) internal successors, (105130), 83190 states have internal predecessors, (105130), 42877 states have call successors, (42877), 10225 states have call predecessors, (42877), 10175 states have return successors, (45935), 40745 states have call predecessors, (45935), 42877 states have call successors, (45935) [2021-11-21 00:17:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133041 states to 133041 states and 193942 transitions. [2021-11-21 00:17:54,541 INFO L78 Accepts]: Start accepts. Automaton has 133041 states and 193942 transitions. Word has length 917 [2021-11-21 00:17:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:17:54,542 INFO L470 AbstractCegarLoop]: Abstraction has 133041 states and 193942 transitions. [2021-11-21 00:17:54,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 3 states have call successors, (100), 2 states have call predecessors, (100), 1 states have return successors, (91), 3 states have call predecessors, (91), 3 states have call successors, (91) [2021-11-21 00:17:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 133041 states and 193942 transitions. [2021-11-21 00:17:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 937 [2021-11-21 00:17:54,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:17:54,618 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:17:54,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:17:54,619 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:17:54,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:17:54,620 INFO L85 PathProgramCache]: Analyzing trace with hash -581056462, now seen corresponding path program 1 times [2021-11-21 00:17:54,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:17:54,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781632112] [2021-11-21 00:17:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:17:54,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms