./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/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_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:34:32,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:34:32,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:34:32,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:34:32,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:34:32,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:34:32,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:34:32,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:34:32,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:34:32,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:34:32,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:34:32,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:34:32,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:34:32,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:34:32,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:34:32,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:34:32,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:34:32,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:34:32,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:34:32,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:34:32,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:34:32,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:34:32,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:34:32,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:34:32,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:34:32,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:34:32,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:34:32,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:34:32,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:34:32,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:34:32,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:34:32,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:34:32,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:34:32,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:34:32,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:34:32,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:34:32,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:34:32,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:34:32,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:34:32,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:34:32,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:34:32,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:34:32,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:34:32,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:34:32,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:34:32,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:34:32,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:34:32,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:34:32,526 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:34:32,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:34:32,527 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:34:32,527 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:34:32,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:34:32,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:34:32,529 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:34:32,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:34:32,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:34:32,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:34:32,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:34:32,530 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:34:32,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:34:32,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:34:32,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:34:32,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:34:32,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:34:32,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:34:32,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:34:32,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:34:32,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:34:32,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:34:32,534 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:34:32,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:34:32,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:34:32,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:34:32,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:34:32,535 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_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c25ee40b84da0e037e1d80db414ed17491ea7807f66e1b888adc8df58baa009c [2021-11-25 18:34:32,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:34:32,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:34:32,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:34:32,799 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:34:32,800 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:34:32,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 18:34:32,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/data/528cdfbcc/0deaf94d6519452fa876c362154ae073/FLAGb7485db3c [2021-11-25 18:34:34,113 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:34:34,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 18:34:34,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/data/528cdfbcc/0deaf94d6519452fa876c362154ae073/FLAGb7485db3c [2021-11-25 18:34:34,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/data/528cdfbcc/0deaf94d6519452fa876c362154ae073 [2021-11-25 18:34:34,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:34:34,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:34:34,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:34:34,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:34:34,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:34:34,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:34" (1/1) ... [2021-11-25 18:34:34,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122bdb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:34, skipping insertion in model container [2021-11-25 18:34:34,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:34" (1/1) ... [2021-11-25 18:34:34,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:34:34,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:34:46,677 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_6fa1e20c-3490-40fe-98d4-abef8da56439/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] [2021-11-25 18:34:46,681 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_6fa1e20c-3490-40fe-98d4-abef8da56439/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] [2021-11-25 18:34:46,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:34:46,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:34:47,668 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_6fa1e20c-3490-40fe-98d4-abef8da56439/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] [2021-11-25 18:34:47,669 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_6fa1e20c-3490-40fe-98d4-abef8da56439/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] [2021-11-25 18:34:47,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:34:48,396 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:34:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48 WrapperNode [2021-11-25 18:34:48,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:34:48,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:34:48,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:34:48,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:34:48,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:48,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:49,700 INFO L137 Inliner]: procedures = 1122, calls = 12823, calls flagged for inlining = 622, calls inlined = 583, statements flattened = 22719 [2021-11-25 18:34:49,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:34:49,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:34:49,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:34:49,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:34:49,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:49,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:34:50,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:34:50,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:34:50,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:34:50,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (1/1) ... [2021-11-25 18:34:50,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:34:50,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:34:50,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:34:50,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:34:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-25 18:34:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-25 18:34:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 18:34:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 18:34:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-25 18:34:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-25 18:34:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 18:34:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 18:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-25 18:34:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-25 18:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_130 [2021-11-25 18:34:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_130 [2021-11-25 18:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-25 18:34:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-25 18:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-25 18:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-25 18:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 18:34:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 18:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:34:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 18:34:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 18:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-25 18:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-25 18:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-25 18:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-25 18:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:34:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:34:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:34:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-25 18:34:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-25 18:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-25 18:34:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-25 18:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:34:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-25 18:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-25 18:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-25 18:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-25 18:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-25 18:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-25 18:34:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_115 [2021-11-25 18:34:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_115 [2021-11-25 18:34:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:34:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:34:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-25 18:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-25 18:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-25 18:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-25 18:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-25 18:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-25 18:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:34:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:34:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-25 18:34:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-25 18:34:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-25 18:34:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-25 18:34:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-25 18:34:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-25 18:34:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:34:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:34:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:34:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-25 18:34:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-25 18:34:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:34:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:34:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-25 18:34:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-25 18:34:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-25 18:34:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-25 18:34:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:34:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:34:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-25 18:34:51,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-25 18:34:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-25 18:34:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-25 18:34:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-25 18:34:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-25 18:34:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 18:34:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 18:34:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-25 18:34:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-25 18:34:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 18:34:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 18:34:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:34:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:34:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:34:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:34:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:34:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-25 18:34:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-25 18:34:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 18:34:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 18:34:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-25 18:34:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-25 18:34:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 18:34:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 18:34:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:34:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:34:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2021-11-25 18:34:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2021-11-25 18:34:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-25 18:34:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-25 18:34:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2021-11-25 18:34:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2021-11-25 18:34:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:34:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:34:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:34:51,052 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:34:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:34:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-25 18:34:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-25 18:34:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:34:51,053 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-25 18:34:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-25 18:34:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:34:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 18:34:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 18:34:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 18:34:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 18:34:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-25 18:34:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_stmmac_priv [2021-11-25 18:34:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-25 18:34:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-25 18:34:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:34:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:34:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-25 18:34:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-25 18:34:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:34:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:34:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-25 18:34:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-25 18:34:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 18:34:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 18:34:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:34:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:34:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-25 18:34:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-25 18:34:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-25 18:34:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-25 18:34:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:34:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:34:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-25 18:34:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-25 18:34:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-25 18:34:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-25 18:34:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-25 18:34:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-25 18:34:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-25 18:34:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-25 18:34:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:34:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:34:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-25 18:34:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-25 18:34:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-25 18:34:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-25 18:34:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-25 18:34:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-25 18:34:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-25 18:34:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-25 18:34:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-25 18:34:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-25 18:34:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-25 18:34:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-25 18:34:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:34:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:34:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-25 18:34:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-25 18:34:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:34:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:34:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-25 18:34:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-25 18:34:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-25 18:34:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-25 18:34:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-25 18:34:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-25 18:34:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-25 18:34:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-25 18:34:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:34:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:34:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:34:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-25 18:34:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-25 18:34:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-25 18:34:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-25 18:34:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:34:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:34:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:34:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-25 18:34:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-25 18:34:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:34:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:34:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-25 18:34:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_stmmac_priv [2021-11-25 18:34:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-25 18:34:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-25 18:34:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-25 18:34:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-25 18:34:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-25 18:34:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-25 18:34:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:34:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:34:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:34:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:34:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-25 18:34:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-25 18:34:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:34:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:34:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-25 18:34:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-25 18:34:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 18:34:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 18:34:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-25 18:34:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-25 18:34:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-25 18:34:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-25 18:34:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 18:34:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 18:34:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 18:34:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 18:34:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:34:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-25 18:34:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-25 18:34:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-25 18:34:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-25 18:34:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:34:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:34:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:34:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-25 18:34:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-25 18:34:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_array_109 [2021-11-25 18:34:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_array_109 [2021-11-25 18:34:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-25 18:34:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-25 18:34:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-25 18:34:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-25 18:34:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-25 18:34:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-25 18:34:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-25 18:34:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-25 18:34:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-11-25 18:34:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-11-25 18:34:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_85 [2021-11-25 18:34:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_85 [2021-11-25 18:34:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-25 18:34:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-25 18:34:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-25 18:34:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-25 18:34:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:34:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:34:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-25 18:34:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-25 18:34:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:34:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:34:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:34:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:34:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-25 18:34:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-25 18:34:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-25 18:34:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-25 18:34:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-25 18:34:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-25 18:34:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-25 18:34:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-25 18:34:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:34:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:34:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 18:34:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 18:34:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-25 18:34:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-25 18:34:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:34:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:34:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-25 18:34:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-25 18:34:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-25 18:34:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-25 18:34:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:34:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-25 18:34:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-25 18:34:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-25 18:34:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-25 18:34:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:34:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:34:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-25 18:34:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-25 18:34:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2021-11-25 18:34:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2021-11-25 18:34:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-25 18:34:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-25 18:34:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-25 18:34:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-25 18:34:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:34:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:34:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:34:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:34:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-25 18:34:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-25 18:34:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-25 18:34:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-25 18:34:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-25 18:34:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-25 18:34:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-25 18:34:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-25 18:34:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-25 18:34:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-25 18:34:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 18:34:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 18:34:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-25 18:34:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-25 18:34:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-25 18:34:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-25 18:34:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-25 18:34:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-25 18:34:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-25 18:34:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-25 18:34:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-25 18:34:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-25 18:34:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-25 18:34:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-25 18:34:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-25 18:34:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-25 18:34:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:34:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:34:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:34:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:34:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-25 18:34:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-25 18:34:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-25 18:34:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-25 18:34:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-25 18:34:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-25 18:34:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-11-25 18:34:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-11-25 18:34:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:34:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:34:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-25 18:34:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-25 18:34:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_129 [2021-11-25 18:34:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_129 [2021-11-25 18:34:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 18:34:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-25 18:34:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:34:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:34:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-25 18:34:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-25 18:34:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_86 [2021-11-25 18:34:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_86 [2021-11-25 18:34:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-25 18:34:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-25 18:34:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-25 18:34:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-25 18:34:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:34:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:34:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-25 18:34:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-25 18:34:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-25 18:34:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-25 18:34:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-25 18:34:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-25 18:34:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:34:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:34:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 18:34:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 18:34:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:34:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:34:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-25 18:34:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-25 18:34:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-25 18:34:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-25 18:34:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:34:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-25 18:34:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-25 18:34:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 18:34:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 18:34:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-25 18:34:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-25 18:34:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-25 18:34:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-25 18:34:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 18:34:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 18:34:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-25 18:34:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-25 18:34:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-25 18:34:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-25 18:34:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:34:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:34:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-25 18:34:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-25 18:34:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-25 18:34:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-25 18:34:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:34:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 18:34:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 18:34:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-25 18:34:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-25 18:34:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-25 18:34:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-25 18:34:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-25 18:34:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-25 18:34:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-25 18:34:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-25 18:34:51,104 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2021-11-25 18:34:51,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2021-11-25 18:34:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-25 18:34:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-25 18:34:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:34:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:34:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:34:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-25 18:34:51,105 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-25 18:34:51,105 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:34:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:34:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:34:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:34:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-25 18:34:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-25 18:34:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:34:51,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:34:51,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:34:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:34:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-25 18:34:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-25 18:34:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:34:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:34:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:34:51,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:34:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-25 18:34:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-25 18:34:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-25 18:34:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-25 18:34:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-25 18:34:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-25 18:34:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-25 18:34:51,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-25 18:34:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-25 18:34:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-25 18:34:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-25 18:34:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-25 18:34:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-25 18:34:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-25 18:34:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-25 18:34:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-25 18:34:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 18:34:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 18:34:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:34:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:34:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-25 18:34:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-25 18:34:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-25 18:34:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-25 18:34:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-25 18:34:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-25 18:34:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:34:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:34:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-25 18:34:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-25 18:34:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-25 18:34:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-25 18:34:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-25 18:34:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-25 18:34:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-25 18:34:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-25 18:34:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-25 18:34:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-25 18:34:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-25 18:34:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-25 18:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:34:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-25 18:34:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-25 18:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-25 18:34:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-25 18:34:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:34:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:34:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-25 18:34:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-25 18:34:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:34:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:34:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-25 18:34:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-25 18:34:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-25 18:34:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-25 18:34:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-25 18:34:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-25 18:34:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-25 18:34:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-25 18:34:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-25 18:34:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-25 18:34:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-25 18:34:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-25 18:34:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-25 18:34:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-25 18:34:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-25 18:34:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-25 18:34:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 18:34:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 18:34:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:34:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:34:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-25 18:34:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-25 18:34:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 18:34:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 18:34:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:34:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:34:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-25 18:34:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-25 18:34:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-25 18:34:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-25 18:34:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-25 18:34:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-25 18:34:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-25 18:34:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-25 18:34:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:34:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:34:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:34:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-25 18:34:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-25 18:34:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:34:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:34:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 18:34:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 18:34:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:34:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:34:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-25 18:34:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-25 18:34:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-25 18:34:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-25 18:34:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-25 18:34:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-25 18:34:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-25 18:34:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-25 18:34:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:34:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:34:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-25 18:34:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-25 18:34:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-25 18:34:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-25 18:34:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-25 18:34:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-25 18:34:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-25 18:34:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-25 18:34:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-25 18:34:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-25 18:34:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:34:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:34:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-25 18:34:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-25 18:34:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:34:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:34:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-25 18:34:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-25 18:34:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-25 18:34:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-25 18:34:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 18:34:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-25 18:34:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-25 18:34:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-25 18:34:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:34:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-25 18:34:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-25 18:34:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 18:34:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 18:34:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-25 18:34:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-25 18:34:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 18:34:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 18:34:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:34:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:34:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:34:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:34:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-25 18:34:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-25 18:34:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:34:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:34:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-25 18:34:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-25 18:34:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:34:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:34:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:34:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:34:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 18:34:51,128 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 18:34:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-25 18:34:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-25 18:34:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-25 18:34:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-25 18:34:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-25 18:34:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-25 18:34:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-25 18:34:51,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-25 18:34:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:34:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:34:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:34:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:34:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-25 18:34:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-25 18:34:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 18:34:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 18:34:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-25 18:34:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-25 18:34:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-25 18:34:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-25 18:34:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 18:34:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 18:34:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-25 18:34:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-25 18:34:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-25 18:34:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-25 18:34:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:34:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:34:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-25 18:34:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-25 18:34:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:34:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:34:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-25 18:34:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-25 18:34:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-25 18:34:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-25 18:34:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 18:34:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 18:34:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-25 18:34:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-25 18:34:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-25 18:34:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-25 18:34:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:34:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:34:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:34:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:34:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-25 18:34:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-25 18:34:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-25 18:34:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-25 18:34:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:34:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:34:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-25 18:34:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-25 18:34:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:34:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:34:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:34:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:34:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-25 18:34:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-25 18:34:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:34:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:34:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-25 18:34:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-25 18:34:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-25 18:34:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-25 18:34:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-25 18:34:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-25 18:34:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:34:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:34:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:34:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2021-11-25 18:34:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2021-11-25 18:34:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-25 18:34:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2021-11-25 18:34:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2021-11-25 18:34:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2021-11-25 18:34:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:34:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:34:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 18:34:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 18:34:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-25 18:34:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-25 18:34:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-25 18:34:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2021-11-25 18:34:53,375 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:34:53,386 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:34:53,652 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:35:27,044 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:35:27,524 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:35:34,596 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:35:34,596 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 18:35:34,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:35:34 BoogieIcfgContainer [2021-11-25 18:35:34,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:35:34,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:35:34,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:35:34,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:35:34,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:34:34" (1/3) ... [2021-11-25 18:35:34,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:35:34, skipping insertion in model container [2021-11-25 18:35:34,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:48" (2/3) ... [2021-11-25 18:35:34,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ceb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:35:34, skipping insertion in model container [2021-11-25 18:35:34,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:35:34" (3/3) ... [2021-11-25 18:35:34,616 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2021-11-25 18:35:34,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:35:34,622 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:35:34,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:35:34,709 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 [2021-11-25 18:35:34,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:35:34,839 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) [2021-11-25 18:35:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 875 [2021-11-25 18:35:34,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:35:34,941 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] [2021-11-25 18:35:34,942 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:35:34,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:35:34,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1825116573, now seen corresponding path program 1 times [2021-11-25 18:35:34,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:35:34,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803717991] [2021-11-25 18:35:34,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:35:34,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:35:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:35:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-25 18:35:38,309 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:35:38,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803717991] [2021-11-25 18:35:38,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803717991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:35:38,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:35:38,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:35:38,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040939592] [2021-11-25 18:35:38,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:35:38,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:35:38,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:35:38,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:35:38,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:35:38,374 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) [2021-11-25 18:35:41,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:43,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:47,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:51,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:58,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:35:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:35:59,209 INFO L93 Difference]: Finished difference Result 14920 states and 22115 transitions. [2021-11-25 18:35:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:35:59,212 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 [2021-11-25 18:35:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:35:59,328 INFO L225 Difference]: With dead ends: 14920 [2021-11-25 18:35:59,329 INFO L226 Difference]: Without dead ends: 9890 [2021-11-25 18:35:59,392 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 [2021-11-25 18:35:59,401 INFO L933 BasicCegarLoop]: 8020 mSDtfsCounter, 7095 mSDsluCounter, 7420 mSDsCounter, 0 mSdLazyCounter, 2318 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7099 SdHoareTripleChecker+Valid, 14324 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2318 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:35:59,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7099 Valid, 14324 Invalid, 2338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2318 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2021-11-25 18:35:59,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9890 states. [2021-11-25 18:36:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9890 to 9885. [2021-11-25 18:36:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9885 states, 5952 states have (on average 1.3187163978494623) internal successors, (7849), 6144 states have internal predecessors, (7849), 3286 states have call successors, (3286), 647 states have call predecessors, (3286), 646 states have return successors, (3286), 3167 states have call predecessors, (3286), 3286 states have call successors, (3286) [2021-11-25 18:36:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9885 states to 9885 states and 14421 transitions. [2021-11-25 18:36:00,403 INFO L78 Accepts]: Start accepts. Automaton has 9885 states and 14421 transitions. Word has length 874 [2021-11-25 18:36:00,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:36:00,412 INFO L470 AbstractCegarLoop]: Abstraction has 9885 states and 14421 transitions. [2021-11-25 18:36:00,413 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) [2021-11-25 18:36:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 9885 states and 14421 transitions. [2021-11-25 18:36:00,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2021-11-25 18:36:00,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:00,588 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] [2021-11-25 18:36:00,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:36:00,590 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:00,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:00,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1008614535, now seen corresponding path program 1 times [2021-11-25 18:36:00,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:00,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992138872] [2021-11-25 18:36:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:00,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-25 18:36:02,162 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:02,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992138872] [2021-11-25 18:36:02,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992138872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:02,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:02,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:02,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531199451] [2021-11-25 18:36:02,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:02,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:02,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:02,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:02,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:02,170 INFO L87 Difference]: Start difference. First operand 9885 states and 14421 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) [2021-11-25 18:36:05,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:08,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:10,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:19,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:22,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:22,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:36:22,923 INFO L93 Difference]: Finished difference Result 29092 states and 42430 transitions. [2021-11-25 18:36:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:36:22,924 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 [2021-11-25 18:36:22,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:36:23,147 INFO L225 Difference]: With dead ends: 29092 [2021-11-25 18:36:23,148 INFO L226 Difference]: Without dead ends: 19368 [2021-11-25 18:36:23,367 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 [2021-11-25 18:36:23,369 INFO L933 BasicCegarLoop]: 8105 mSDtfsCounter, 6913 mSDsluCounter, 7297 mSDsCounter, 0 mSdLazyCounter, 2401 mSolverCounterSat, 29 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6921 SdHoareTripleChecker+Valid, 14307 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2401 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:36:23,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6921 Valid, 14307 Invalid, 2434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 2401 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2021-11-25 18:36:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19368 states. [2021-11-25 18:36:24,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19368 to 19357. [2021-11-25 18:36:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19357 states, 11649 states have (on average 1.316937076143875) internal successors, (15341), 12041 states have internal predecessors, (15341), 6418 states have call successors, (6418), 1292 states have call predecessors, (6418), 1289 states have return successors, (6425), 6171 states have call predecessors, (6425), 6418 states have call successors, (6425) [2021-11-25 18:36:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19357 states to 19357 states and 28184 transitions. [2021-11-25 18:36:24,939 INFO L78 Accepts]: Start accepts. Automaton has 19357 states and 28184 transitions. Word has length 875 [2021-11-25 18:36:24,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:36:24,941 INFO L470 AbstractCegarLoop]: Abstraction has 19357 states and 28184 transitions. [2021-11-25 18:36:24,941 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) [2021-11-25 18:36:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19357 states and 28184 transitions. [2021-11-25 18:36:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2021-11-25 18:36:25,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:25,034 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] [2021-11-25 18:36:25,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:36:25,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:25,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:25,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1132291514, now seen corresponding path program 1 times [2021-11-25 18:36:25,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:25,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424308637] [2021-11-25 18:36:25,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:25,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2021-11-25 18:36:26,925 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:26,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424308637] [2021-11-25 18:36:26,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424308637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:26,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:26,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:26,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268660907] [2021-11-25 18:36:26,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:26,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:26,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:26,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:26,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:26,929 INFO L87 Difference]: Start difference. First operand 19357 states and 28184 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) [2021-11-25 18:36:30,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:32,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:35,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:41,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:36:46,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:36:46,054 INFO L93 Difference]: Finished difference Result 57532 states and 83734 transitions. [2021-11-25 18:36:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:36:46,055 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 [2021-11-25 18:36:46,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:36:46,272 INFO L225 Difference]: With dead ends: 57532 [2021-11-25 18:36:46,272 INFO L226 Difference]: Without dead ends: 38336 [2021-11-25 18:36:46,375 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 [2021-11-25 18:36:46,379 INFO L933 BasicCegarLoop]: 8071 mSDtfsCounter, 7022 mSDsluCounter, 7338 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7028 SdHoareTripleChecker+Valid, 14300 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:36:46,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7028 Valid, 14300 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2331 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2021-11-25 18:36:46,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38336 states. [2021-11-25 18:36:48,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38336 to 38323. [2021-11-25 18:36:48,908 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) [2021-11-25 18:36:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38323 states to 38323 states and 55739 transitions. [2021-11-25 18:36:49,136 INFO L78 Accepts]: Start accepts. Automaton has 38323 states and 55739 transitions. Word has length 883 [2021-11-25 18:36:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:36:49,138 INFO L470 AbstractCegarLoop]: Abstraction has 38323 states and 55739 transitions. [2021-11-25 18:36:49,139 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) [2021-11-25 18:36:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38323 states and 55739 transitions. [2021-11-25 18:36:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2021-11-25 18:36:49,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:49,563 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] [2021-11-25 18:36:49,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:36:49,563 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1701400866, now seen corresponding path program 1 times [2021-11-25 18:36:49,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:49,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889650794] [2021-11-25 18:36:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:49,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:50,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:36:50,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595281906] [2021-11-25 18:36:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:50,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:36:50,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:36:50,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:36:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:36:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:56,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 21614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:36:56,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:36:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2021-11-25 18:36:57,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:36:57,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:57,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889650794] [2021-11-25 18:36:57,979 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:36:57,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595281906] [2021-11-25 18:36:57,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595281906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:57,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:57,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:57,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191862639] [2021-11-25 18:36:57,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:57,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:57,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:57,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:57,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:57,984 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) [2021-11-25 18:37:00,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:03,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:05,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:12,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:14,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:19,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:21,014 INFO L93 Difference]: Finished difference Result 113282 states and 164713 transitions. [2021-11-25 18:37:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:21,015 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 [2021-11-25 18:37:21,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:21,536 INFO L225 Difference]: With dead ends: 113282 [2021-11-25 18:37:21,536 INFO L226 Difference]: Without dead ends: 75120 [2021-11-25 18:37:21,730 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 [2021-11-25 18:37:21,735 INFO L933 BasicCegarLoop]: 7956 mSDtfsCounter, 6857 mSDsluCounter, 7380 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6863 SdHoareTripleChecker+Valid, 14210 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:21,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6863 Valid, 14210 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2302 Invalid, 3 Unknown, 0 Unchecked, 21.0s Time] [2021-11-25 18:37:21,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75120 states. [2021-11-25 18:37:25,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75120 to 75105. [2021-11-25 18:37:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75105 states, 45227 states have (on average 1.318128551528954) internal successors, (59615), 46827 states have internal predecessors, (59615), 24764 states have call successors, (24764), 5128 states have call predecessors, (24764), 5113 states have return successors, (24814), 23741 states have call predecessors, (24814), 24764 states have call successors, (24814) [2021-11-25 18:37:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75105 states to 75105 states and 109193 transitions. [2021-11-25 18:37:26,824 INFO L78 Accepts]: Start accepts. Automaton has 75105 states and 109193 transitions. Word has length 899 [2021-11-25 18:37:26,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:26,827 INFO L470 AbstractCegarLoop]: Abstraction has 75105 states and 109193 transitions. [2021-11-25 18:37:26,827 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) [2021-11-25 18:37:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 75105 states and 109193 transitions. [2021-11-25 18:37:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-11-25 18:37:26,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:26,947 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] [2021-11-25 18:37:27,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:37:27,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa1e20c-3490-40fe-98d4-abef8da56439/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:37:27,176 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:27,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:27,177 INFO L85 PathProgramCache]: Analyzing trace with hash 196430762, now seen corresponding path program 1 times [2021-11-25 18:37:27,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:27,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733271765] [2021-11-25 18:37:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:27,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 25442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25442 trivial. 0 not checked. [2021-11-25 18:37:29,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:29,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733271765] [2021-11-25 18:37:29,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733271765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:29,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:29,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:29,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084976550] [2021-11-25 18:37:29,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:29,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:29,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:29,177 INFO L87 Difference]: Start difference. First operand 75105 states and 109193 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) [2021-11-25 18:37:31,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:34,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:35,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:41,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:45,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:37:48,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:48,004 INFO L93 Difference]: Finished difference Result 145235 states and 207132 transitions. [2021-11-25 18:37:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:48,008 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 [2021-11-25 18:37:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:48,563 INFO L225 Difference]: With dead ends: 145235 [2021-11-25 18:37:48,563 INFO L226 Difference]: Without dead ends: 70291 [2021-11-25 18:37:49,209 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 [2021-11-25 18:37:49,210 INFO L933 BasicCegarLoop]: 5954 mSDtfsCounter, 5865 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5869 SdHoareTripleChecker+Valid, 9084 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:49,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5869 Valid, 9084 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1372 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2021-11-25 18:37:49,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70291 states. [2021-11-25 18:37:52,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70291 to 70277. [2021-11-25 18:37:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70277 states, 41063 states have (on average 1.2815186420865499) internal successors, (52623), 43131 states have internal predecessors, (52623), 22728 states have call successors, (22728), 6492 states have call predecessors, (22728), 6485 states have return successors, (22776), 21349 states have call predecessors, (22776), 22728 states have call successors, (22776) [2021-11-25 18:37:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70277 states to 70277 states and 98127 transitions. [2021-11-25 18:37:53,283 INFO L78 Accepts]: Start accepts. Automaton has 70277 states and 98127 transitions. Word has length 900 [2021-11-25 18:37:53,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:53,297 INFO L470 AbstractCegarLoop]: Abstraction has 70277 states and 98127 transitions. [2021-11-25 18:37:53,297 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) [2021-11-25 18:37:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 70277 states and 98127 transitions. [2021-11-25 18:37:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 898 [2021-11-25 18:37:53,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:53,399 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] [2021-11-25 18:37:53,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:37:53,399 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1337250289, now seen corresponding path program 1 times [2021-11-25 18:37:53,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:53,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742349293] [2021-11-25 18:37:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:53,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 25605 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25602 trivial. 0 not checked. [2021-11-25 18:37:54,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:54,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742349293] [2021-11-25 18:37:54,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742349293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:54,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:54,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:54,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222316698] [2021-11-25 18:37:54,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:54,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:54,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:54,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:54,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:54,834 INFO L87 Difference]: Start difference. First operand 70277 states and 98127 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) [2021-11-25 18:37:57,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:00,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:14,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:17,128 INFO L93 Difference]: Finished difference Result 152957 states and 213635 transitions. [2021-11-25 18:38:17,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:38:17,129 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 [2021-11-25 18:38:17,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:17,900 INFO L225 Difference]: With dead ends: 152957 [2021-11-25 18:38:17,901 INFO L226 Difference]: Without dead ends: 82841 [2021-11-25 18:38:18,204 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 [2021-11-25 18:38:18,206 INFO L933 BasicCegarLoop]: 6613 mSDtfsCounter, 5591 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 14 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 11739 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:38:18,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 11739 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2011 Invalid, 3 Unknown, 0 Unchecked, 19.6s Time] [2021-11-25 18:38:18,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82841 states. [2021-11-25 18:38:21,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82841 to 82836. [2021-11-25 18:38:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82836 states, 48473 states have (on average 1.282260227343057) internal successors, (62155), 50889 states have internal predecessors, (62155), 26752 states have call successors, (26752), 7617 states have call predecessors, (26752), 7610 states have return successors, (26810), 25143 states have call predecessors, (26810), 26752 states have call successors, (26810) [2021-11-25 18:38:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82836 states to 82836 states and 115717 transitions. [2021-11-25 18:38:22,390 INFO L78 Accepts]: Start accepts. Automaton has 82836 states and 115717 transitions. Word has length 897 [2021-11-25 18:38:22,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:38:22,391 INFO L470 AbstractCegarLoop]: Abstraction has 82836 states and 115717 transitions. [2021-11-25 18:38:22,391 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) [2021-11-25 18:38:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 82836 states and 115717 transitions. [2021-11-25 18:38:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-11-25 18:38:22,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:22,457 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] [2021-11-25 18:38:22,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:38:22,458 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:38:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash 803942095, now seen corresponding path program 1 times [2021-11-25 18:38:22,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:38:22,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148456604] [2021-11-25 18:38:22,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:22,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:38:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 25614 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25602 trivial. 0 not checked. [2021-11-25 18:38:24,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:38:24,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148456604] [2021-11-25 18:38:24,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148456604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:24,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:24,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:38:24,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210371792] [2021-11-25 18:38:24,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:24,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:38:24,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:38:24,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:38:24,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:38:24,383 INFO L87 Difference]: Start difference. First operand 82836 states and 115717 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) [2021-11-25 18:38:27,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:29,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:31,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:46,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:48,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:48,966 INFO L93 Difference]: Finished difference Result 209681 states and 293388 transitions. [2021-11-25 18:38:48,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:38:48,967 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 [2021-11-25 18:38:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:49,573 INFO L225 Difference]: With dead ends: 209681 [2021-11-25 18:38:49,574 INFO L226 Difference]: Without dead ends: 127006 [2021-11-25 18:38:49,850 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 [2021-11-25 18:38:49,851 INFO L933 BasicCegarLoop]: 6704 mSDtfsCounter, 5775 mSDsluCounter, 6090 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5780 SdHoareTripleChecker+Valid, 11847 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:38:49,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5780 Valid, 11847 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2047 Invalid, 3 Unknown, 0 Unchecked, 20.1s Time] [2021-11-25 18:38:49,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127006 states. [2021-11-25 18:38:56,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127006 to 126975. [2021-11-25 18:38:56,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126975 states, 74513 states have (on average 1.2853596016802438) internal successors, (95776), 78172 states have internal predecessors, (95776), 40958 states have call successors, (40958), 11519 states have call predecessors, (40958), 11503 states have return successors, (41049), 38518 states have call predecessors, (41049), 40958 states have call successors, (41049) [2021-11-25 18:38:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126975 states to 126975 states and 177783 transitions. [2021-11-25 18:38:58,125 INFO L78 Accepts]: Start accepts. Automaton has 126975 states and 177783 transitions. Word has length 900 [2021-11-25 18:38:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:38:58,127 INFO L470 AbstractCegarLoop]: Abstraction has 126975 states and 177783 transitions. [2021-11-25 18:38:58,127 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) [2021-11-25 18:38:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 126975 states and 177783 transitions. [2021-11-25 18:38:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-11-25 18:38:58,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:38:58,208 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] [2021-11-25 18:38:58,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:38:58,208 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:38:58,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:38:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash 419832267, now seen corresponding path program 1 times [2021-11-25 18:38:58,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:38:58,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134827350] [2021-11-25 18:38:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:38:58,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:38:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:38:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 25446 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25446 trivial. 0 not checked. [2021-11-25 18:38:59,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:38:59,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134827350] [2021-11-25 18:38:59,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134827350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:59,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:38:59,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:38:59,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204151731] [2021-11-25 18:38:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:59,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:38:59,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:38:59,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:38:59,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:38:59,727 INFO L87 Difference]: Start difference. First operand 126975 states and 177783 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) [2021-11-25 18:39:03,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []