./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-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS --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 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:29:19,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:29:19,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:29:19,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:29:19,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:29:19,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:29:19,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:29:19,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:29:19,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:29:19,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:29:19,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:29:19,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:29:19,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:29:19,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:29:19,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:29:19,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:29:19,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:29:19,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:29:19,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:29:19,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:29:19,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:29:19,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:29:19,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:29:19,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:29:19,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:29:19,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:29:19,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:29:19,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:29:19,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:29:19,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:29:19,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:29:19,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:29:19,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:29:19,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:29:19,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:29:19,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:29:19,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:29:19,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:29:19,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:29:19,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:29:19,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:29:19,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:29:19,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:29:19,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:29:19,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:29:19,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:29:19,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:29:19,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:29:19,435 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:29:19,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:29:19,436 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:29:19,436 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:29:19,437 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:29:19,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:29:19,437 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:29:19,437 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:29:19,438 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:29:19,438 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:29:19,438 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:29:19,438 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:29:19,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:29:19,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:29:19,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:29:19,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:29:19,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:29:19,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:29:19,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:29:19,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:29:19,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:29:19,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:29:19,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:29:19,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:19,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:29:19,442 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:29:19,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:29:19,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:29:19,442 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:29:19,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:29:19,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:29:19,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:29:19,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 [2022-11-19 08:29:19,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:29:19,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:29:19,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:29:19,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:29:19,766 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:29:19,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-19 08:29:19,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/data/8d36fbfab/716bcb139afd4354a3acb00b98dcf75b/FLAG4163b532a [2022-11-19 08:29:21,017 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:29:21,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-19 08:29:21,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/data/8d36fbfab/716bcb139afd4354a3acb00b98dcf75b/FLAG4163b532a [2022-11-19 08:29:21,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/data/8d36fbfab/716bcb139afd4354a3acb00b98dcf75b [2022-11-19 08:29:21,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:29:21,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:29:21,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:21,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:29:21,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:29:21,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:21" (1/1) ... [2022-11-19 08:29:21,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9a0f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:21, skipping insertion in model container [2022-11-19 08:29:21,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:21" (1/1) ... [2022-11-19 08:29:21,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:29:21,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:29,392 WARN L234 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_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2022-11-19 08:29:29,396 WARN L234 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_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2022-11-19 08:29:29,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:29,525 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:29:30,385 WARN L234 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_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2022-11-19 08:29:30,385 WARN L234 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_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2022-11-19 08:29:30,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:30,929 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:29:30,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30 WrapperNode [2022-11-19 08:29:30,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:30,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:30,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:29:30,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:29:30,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,523 INFO L138 Inliner]: procedures = 821, calls = 5804, calls flagged for inlining = 428, calls inlined = 368, statements flattened = 11601 [2022-11-19 08:29:31,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:31,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:29:31,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:29:31,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:29:31,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:31,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:32,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:32,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:29:32,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:29:32,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:29:32,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:29:32,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:32,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:32,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:32,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:29:32,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ba2d86e-2cfd-4154-b2b4-05c345d3fec0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:29:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:29:32,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:29:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-11-19 08:29:32,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-11-19 08:29:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-11-19 08:29:32,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-11-19 08:29:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-11-19 08:29:32,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-11-19 08:29:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-11-19 08:29:32,198 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-11-19 08:29:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-11-19 08:29:32,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-11-19 08:29:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:29:32,199 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:29:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-19 08:29:32,199 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-19 08:29:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:29:32,200 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:29:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-11-19 08:29:32,200 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-11-19 08:29:32,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 08:29:32,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 08:29:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-19 08:29:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-19 08:29:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-11-19 08:29:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-11-19 08:29:32,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:29:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:29:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:29:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:29:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-11-19 08:29:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-11-19 08:29:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:29:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:29:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:29:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:29:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-19 08:29:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-19 08:29:32,204 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-11-19 08:29:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-11-19 08:29:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:29:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:29:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-11-19 08:29:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-11-19 08:29:32,206 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:29:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:29:32,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:29:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:29:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-11-19 08:29:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-11-19 08:29:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:29:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-11-19 08:29:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-11-19 08:29:32,208 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-11-19 08:29:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-11-19 08:29:32,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 08:29:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 08:29:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:29:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:29:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 08:29:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 08:29:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:29:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:29:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 08:29:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 08:29:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:29:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:29:32,212 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-19 08:29:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-19 08:29:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 08:29:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 08:29:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:29:32,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 08:29:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 08:29:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 08:29:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 08:29:32,214 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-11-19 08:29:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-11-19 08:29:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 08:29:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-19 08:29:32,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 08:29:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 08:29:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 08:29:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 08:29:32,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-19 08:29:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-19 08:29:32,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 08:29:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 08:29:32,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 08:29:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 08:29:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:29:32,219 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-11-19 08:29:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-11-19 08:29:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-11-19 08:29:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-11-19 08:29:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-11-19 08:29:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-11-19 08:29:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:29:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:29:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:29:32,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:29:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:29:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:29:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-11-19 08:29:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-11-19 08:29:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:29:32,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:29:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-19 08:29:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-19 08:29:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-11-19 08:29:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-11-19 08:29:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 08:29:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 08:29:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:29:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:29:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-11-19 08:29:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-11-19 08:29:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:29:32,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:29:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-11-19 08:29:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-11-19 08:29:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:29:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:29:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-11-19 08:29:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-11-19 08:29:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:29:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:29:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-11-19 08:29:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-11-19 08:29:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:29:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:29:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-11-19 08:29:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-11-19 08:29:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 08:29:32,239 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 08:29:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:29:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:29:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:29:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 08:29:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 08:29:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-19 08:29:32,240 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-19 08:29:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 08:29:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 08:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-11-19 08:29:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-11-19 08:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 08:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-11-19 08:29:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-11-19 08:29:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 08:29:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 08:29:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-11-19 08:29:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-11-19 08:29:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-11-19 08:29:32,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-11-19 08:29:32,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:29:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:29:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 08:29:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 08:29:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 08:29:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 08:29:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-11-19 08:29:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-11-19 08:29:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:29:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:29:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 08:29:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 08:29:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 08:29:32,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 08:29:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-11-19 08:29:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-11-19 08:29:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:29:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:29:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-11-19 08:29:32,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-11-19 08:29:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-11-19 08:29:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-11-19 08:29:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-11-19 08:29:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-11-19 08:29:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-11-19 08:29:32,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-11-19 08:29:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:29:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:29:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:29:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:29:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-11-19 08:29:32,247 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-11-19 08:29:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 08:29:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 08:29:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-19 08:29:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-19 08:29:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:29:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:29:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-19 08:29:32,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-19 08:29:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:29:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:29:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2022-11-19 08:29:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2022-11-19 08:29:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-19 08:29:32,249 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-19 08:29:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 08:29:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 08:29:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-11-19 08:29:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-11-19 08:29:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:29:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:29:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-19 08:29:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-19 08:29:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-11-19 08:29:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-11-19 08:29:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:29:32,251 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:29:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:29:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-11-19 08:29:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-11-19 08:29:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:29:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:29:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-19 08:29:32,252 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-19 08:29:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-19 08:29:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-19 08:29:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-19 08:29:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-19 08:29:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:29:32,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:29:32,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-19 08:29:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-19 08:29:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 08:29:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 08:29:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-11-19 08:29:32,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-11-19 08:29:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-11-19 08:29:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-11-19 08:29:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:29:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:29:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:29:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:29:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 08:29:32,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 08:29:32,260 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-11-19 08:29:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-11-19 08:29:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:29:32,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:29:32,261 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:29:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:29:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-11-19 08:29:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-11-19 08:29:32,262 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-19 08:29:32,262 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-19 08:29:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-11-19 08:29:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-11-19 08:29:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-19 08:29:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-19 08:29:32,263 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-19 08:29:32,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-19 08:29:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:29:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:29:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-11-19 08:29:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-11-19 08:29:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 08:29:32,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 08:29:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-11-19 08:29:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-11-19 08:29:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:29:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:29:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:29:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:29:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-11-19 08:29:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-11-19 08:29:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:29:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 08:29:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 08:29:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-11-19 08:29:32,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-11-19 08:29:32,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 08:29:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 08:29:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 08:29:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 08:29:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:29:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:29:32,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-11-19 08:29:32,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-11-19 08:29:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:29:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 08:29:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 08:29:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:29:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:29:32,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:29:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 08:29:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 08:29:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:29:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:29:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 08:29:32,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 08:29:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:29:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:29:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-11-19 08:29:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-11-19 08:29:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:29:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:29:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-11-19 08:29:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-11-19 08:29:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-11-19 08:29:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-11-19 08:29:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:29:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:29:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-19 08:29:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-19 08:29:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:29:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:29:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-19 08:29:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-19 08:29:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-19 08:29:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-19 08:29:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-11-19 08:29:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-11-19 08:29:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-11-19 08:29:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-11-19 08:29:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:29:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:29:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-11-19 08:29:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-11-19 08:29:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-19 08:29:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-19 08:29:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 08:29:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 08:29:32,274 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-19 08:29:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-19 08:29:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:29:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:29:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:29:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-11-19 08:29:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-11-19 08:29:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-11-19 08:29:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-11-19 08:29:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 08:29:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 08:29:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-11-19 08:29:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-11-19 08:29:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-11-19 08:29:32,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-11-19 08:29:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 08:29:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 08:29:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-11-19 08:29:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-11-19 08:29:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 08:29:32,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 08:29:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:29:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:29:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-11-19 08:29:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-11-19 08:29:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-11-19 08:29:32,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-11-19 08:29:32,278 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-19 08:29:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-19 08:29:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-19 08:29:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-19 08:29:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-11-19 08:29:32,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-11-19 08:29:32,279 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-19 08:29:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-19 08:29:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 08:29:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 08:29:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 08:29:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 08:29:32,280 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:29:32,280 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:29:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:29:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:29:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:29:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-11-19 08:29:32,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-11-19 08:29:32,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:29:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:29:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-19 08:29:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-19 08:29:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 08:29:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 08:29:32,282 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:29:32,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:29:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 08:29:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 08:29:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:29:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:29:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-11-19 08:29:32,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-11-19 08:29:32,283 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-11-19 08:29:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-11-19 08:29:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 08:29:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 08:29:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-11-19 08:29:32,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-11-19 08:29:32,284 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-11-19 08:29:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-11-19 08:29:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-11-19 08:29:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-11-19 08:29:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:29:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:29:32,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 08:29:32,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 08:29:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-11-19 08:29:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-11-19 08:29:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 08:29:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 08:29:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-11-19 08:29:32,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-11-19 08:29:32,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:29:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:29:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-19 08:29:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-19 08:29:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 08:29:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 08:29:32,287 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-11-19 08:29:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-11-19 08:29:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:29:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:29:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-11-19 08:29:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-11-19 08:29:32,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2022-11-19 08:29:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2022-11-19 08:29:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-19 08:29:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-19 08:29:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 08:29:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 08:29:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-11-19 08:29:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-11-19 08:29:32,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:29:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:29:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 08:29:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 08:29:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-11-19 08:29:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-11-19 08:29:32,290 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-19 08:29:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-19 08:29:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 08:29:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 08:29:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:29:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:29:32,291 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-11-19 08:29:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-11-19 08:29:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:29:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-11-19 08:29:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-11-19 08:29:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:29:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:29:32,292 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 08:29:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 08:29:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-11-19 08:29:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-11-19 08:29:32,293 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 08:29:33,947 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:29:33,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:29:34,103 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:29:47,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 08:29:47,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:29:52,019 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:29:52,020 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-19 08:29:52,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:52 BoogieIcfgContainer [2022-11-19 08:29:52,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:29:52,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:29:52,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:29:52,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:29:52,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:29:21" (1/3) ... [2022-11-19 08:29:52,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fec2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:52, skipping insertion in model container [2022-11-19 08:29:52,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30" (2/3) ... [2022-11-19 08:29:52,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fec2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:52, skipping insertion in model container [2022-11-19 08:29:52,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:52" (3/3) ... [2022-11-19 08:29:52,041 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-11-19 08:29:52,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:29:52,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:29:52,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:29:52,200 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@189d249b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:29:52,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:29:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 3399 states, 1935 states have (on average 1.310077519379845) internal successors, (2535), 2015 states have internal predecessors, (2535), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) [2022-11-19 08:29:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-19 08:29:52,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:52,277 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:52,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:29:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:52,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2055264513, now seen corresponding path program 1 times [2022-11-19 08:29:52,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:52,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527121328] [2022-11-19 08:29:52,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:52,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:54,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked. [2022-11-19 08:29:54,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:54,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527121328] [2022-11-19 08:29:54,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527121328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:54,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:54,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:29:54,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519101639] [2022-11-19 08:29:54,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:54,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:29:54,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:54,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:29:54,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:29:54,276 INFO L87 Difference]: Start difference. First operand has 3399 states, 1935 states have (on average 1.310077519379845) internal successors, (2535), 2015 states have internal predecessors, (2535), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-19 08:30:00,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:00,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:00,229 INFO L93 Difference]: Finished difference Result 9747 states and 14466 transitions. [2022-11-19 08:30:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:00,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 378 [2022-11-19 08:30:00,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:00,298 INFO L225 Difference]: With dead ends: 9747 [2022-11-19 08:30:00,298 INFO L226 Difference]: Without dead ends: 6340 [2022-11-19 08:30:00,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:00,325 INFO L413 NwaCegarLoop]: 5489 mSDtfsCounter, 4460 mSDsluCounter, 4346 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4460 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:00,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4460 Valid, 9835 Invalid, 1289 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-19 08:30:00,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6340 states. [2022-11-19 08:30:00,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6340 to 6337. [2022-11-19 08:30:00,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6337 states, 3635 states have (on average 1.3048143053645116) internal successors, (4743), 3785 states have internal predecessors, (4743), 2285 states have call successors, (2285), 416 states have call predecessors, (2285), 416 states have return successors, (2285), 2235 states have call predecessors, (2285), 2285 states have call successors, (2285) [2022-11-19 08:30:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6337 states to 6337 states and 9313 transitions. [2022-11-19 08:30:00,834 INFO L78 Accepts]: Start accepts. Automaton has 6337 states and 9313 transitions. Word has length 378 [2022-11-19 08:30:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:00,836 INFO L495 AbstractCegarLoop]: Abstraction has 6337 states and 9313 transitions. [2022-11-19 08:30:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-19 08:30:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 9313 transitions. [2022-11-19 08:30:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-11-19 08:30:00,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:00,851 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:00,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:30:00,852 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:00,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1477764708, now seen corresponding path program 1 times [2022-11-19 08:30:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:00,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350893802] [2022-11-19 08:30:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:00,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked. [2022-11-19 08:30:02,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:02,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350893802] [2022-11-19 08:30:02,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350893802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:02,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:02,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:02,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476896544] [2022-11-19 08:30:02,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:02,080 INFO L87 Difference]: Start difference. First operand 6337 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-19 08:30:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:07,579 INFO L93 Difference]: Finished difference Result 18538 states and 27239 transitions. [2022-11-19 08:30:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:07,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 379 [2022-11-19 08:30:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:07,689 INFO L225 Difference]: With dead ends: 18538 [2022-11-19 08:30:07,689 INFO L226 Difference]: Without dead ends: 12266 [2022-11-19 08:30:07,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:07,736 INFO L413 NwaCegarLoop]: 6337 mSDtfsCounter, 4580 mSDsluCounter, 4260 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4580 SdHoareTripleChecker+Valid, 10597 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:07,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4580 Valid, 10597 Invalid, 1453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-19 08:30:07,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12266 states. [2022-11-19 08:30:08,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12266 to 12260. [2022-11-19 08:30:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12260 states, 7021 states have (on average 1.2992451217775245) internal successors, (9122), 7313 states have internal predecessors, (9122), 4420 states have call successors, (4420), 818 states have call predecessors, (4420), 818 states have return successors, (4420), 4324 states have call predecessors, (4420), 4420 states have call successors, (4420) [2022-11-19 08:30:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 17962 transitions. [2022-11-19 08:30:08,821 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 17962 transitions. Word has length 379 [2022-11-19 08:30:08,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:08,827 INFO L495 AbstractCegarLoop]: Abstraction has 12260 states and 17962 transitions. [2022-11-19 08:30:08,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-19 08:30:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 17962 transitions. [2022-11-19 08:30:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-19 08:30:08,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:08,953 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 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] [2022-11-19 08:30:08,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:30:08,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:08,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1212154612, now seen corresponding path program 1 times [2022-11-19 08:30:08,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:08,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211684734] [2022-11-19 08:30:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4035 trivial. 0 not checked. [2022-11-19 08:30:09,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:09,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211684734] [2022-11-19 08:30:09,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211684734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:09,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:09,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:09,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448727084] [2022-11-19 08:30:09,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:09,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:09,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:09,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:09,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:09,628 INFO L87 Difference]: Start difference. First operand 12260 states and 17962 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-19 08:30:14,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:14,577 INFO L93 Difference]: Finished difference Result 36146 states and 52912 transitions. [2022-11-19 08:30:14,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:14,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 403 [2022-11-19 08:30:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:14,726 INFO L225 Difference]: With dead ends: 36146 [2022-11-19 08:30:14,728 INFO L226 Difference]: Without dead ends: 23951 [2022-11-19 08:30:14,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:14,793 INFO L413 NwaCegarLoop]: 6345 mSDtfsCounter, 4727 mSDsluCounter, 4291 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 10636 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:14,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 10636 Invalid, 1426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 08:30:14,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23951 states. [2022-11-19 08:30:16,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23951 to 23941. [2022-11-19 08:30:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23941 states, 13755 states have (on average 1.2981461286804798) internal successors, (17856), 14328 states have internal predecessors, (17856), 8571 states have call successors, (8571), 1614 states have call predecessors, (8571), 1614 states have return successors, (8571), 8379 states have call predecessors, (8571), 8571 states have call successors, (8571) [2022-11-19 08:30:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23941 states to 23941 states and 34998 transitions. [2022-11-19 08:30:16,640 INFO L78 Accepts]: Start accepts. Automaton has 23941 states and 34998 transitions. Word has length 403 [2022-11-19 08:30:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:16,641 INFO L495 AbstractCegarLoop]: Abstraction has 23941 states and 34998 transitions. [2022-11-19 08:30:16,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-19 08:30:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23941 states and 34998 transitions. [2022-11-19 08:30:16,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-11-19 08:30:16,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:16,683 INFO L195 NwaCegarLoop]: trace histogram [34, 32, 32, 32, 32, 32, 32, 3, 3, 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] [2022-11-19 08:30:16,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:30:16,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 42848205, now seen corresponding path program 1 times [2022-11-19 08:30:16,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:16,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529662122] [2022-11-19 08:30:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:17,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4110 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2022-11-19 08:30:17,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:17,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529662122] [2022-11-19 08:30:17,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529662122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:17,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:17,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:17,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107905424] [2022-11-19 08:30:17,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:17,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:17,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:17,608 INFO L87 Difference]: Start difference. First operand 23941 states and 34998 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 08:30:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:22,130 INFO L93 Difference]: Finished difference Result 50378 states and 73499 transitions. [2022-11-19 08:30:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:22,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 420 [2022-11-19 08:30:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:22,280 INFO L225 Difference]: With dead ends: 50378 [2022-11-19 08:30:22,280 INFO L226 Difference]: Without dead ends: 26502 [2022-11-19 08:30:22,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:22,372 INFO L413 NwaCegarLoop]: 5658 mSDtfsCounter, 3446 mSDsluCounter, 4260 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 9918 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:22,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 9918 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:30:22,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26502 states. [2022-11-19 08:30:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26502 to 26500. [2022-11-19 08:30:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26500 states, 15254 states have (on average 1.2954634849875442) internal successors, (19761), 15875 states have internal predecessors, (19761), 9415 states have call successors, (9415), 1830 states have call predecessors, (9415), 1830 states have return successors, (9415), 9207 states have call predecessors, (9415), 9415 states have call successors, (9415) [2022-11-19 08:30:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26500 states to 26500 states and 38591 transitions. [2022-11-19 08:30:24,435 INFO L78 Accepts]: Start accepts. Automaton has 26500 states and 38591 transitions. Word has length 420 [2022-11-19 08:30:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:24,437 INFO L495 AbstractCegarLoop]: Abstraction has 26500 states and 38591 transitions. [2022-11-19 08:30:24,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 08:30:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 26500 states and 38591 transitions. [2022-11-19 08:30:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-11-19 08:30:24,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:24,464 INFO L195 NwaCegarLoop]: trace histogram [33, 32, 32, 32, 32, 32, 32, 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] [2022-11-19 08:30:24,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:30:24,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:24,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash -351857953, now seen corresponding path program 1 times [2022-11-19 08:30:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:24,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463536653] [2022-11-19 08:30:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:25,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2022-11-19 08:30:25,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:25,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463536653] [2022-11-19 08:30:25,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463536653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:25,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:25,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:25,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392689248] [2022-11-19 08:30:25,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:25,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:25,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:25,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:25,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:25,157 INFO L87 Difference]: Start difference. First operand 26500 states and 38591 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 08:30:31,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:31,040 INFO L93 Difference]: Finished difference Result 67818 states and 98259 transitions. [2022-11-19 08:30:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:31,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 434 [2022-11-19 08:30:31,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:31,315 INFO L225 Difference]: With dead ends: 67818 [2022-11-19 08:30:31,315 INFO L226 Difference]: Without dead ends: 41383 [2022-11-19 08:30:31,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:31,443 INFO L413 NwaCegarLoop]: 5297 mSDtfsCounter, 3668 mSDsluCounter, 4255 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 9552 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:31,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 9552 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-19 08:30:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41383 states. [2022-11-19 08:30:33,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41383 to 41371. [2022-11-19 08:30:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41371 states, 23491 states have (on average 1.27823421735984) internal successors, (30027), 24474 states have internal predecessors, (30027), 14831 states have call successors, (14831), 3054 states have call predecessors, (14831), 3048 states have return successors, (14851), 14488 states have call predecessors, (14851), 14831 states have call successors, (14851) [2022-11-19 08:30:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41371 states to 41371 states and 59709 transitions. [2022-11-19 08:30:34,465 INFO L78 Accepts]: Start accepts. Automaton has 41371 states and 59709 transitions. Word has length 434 [2022-11-19 08:30:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:34,470 INFO L495 AbstractCegarLoop]: Abstraction has 41371 states and 59709 transitions. [2022-11-19 08:30:34,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-19 08:30:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 41371 states and 59709 transitions. [2022-11-19 08:30:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-11-19 08:30:34,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:34,494 INFO L195 NwaCegarLoop]: trace histogram [37, 33, 33, 33, 33, 33, 33, 4, 4, 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] [2022-11-19 08:30:34,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:30:34,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:34,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:34,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1975360327, now seen corresponding path program 1 times [2022-11-19 08:30:34,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:34,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127990029] [2022-11-19 08:30:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:34,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4521 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2022-11-19 08:30:35,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:35,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127990029] [2022-11-19 08:30:35,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127990029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:35,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:35,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:35,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074870664] [2022-11-19 08:30:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:35,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:35,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:35,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:35,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:35,678 INFO L87 Difference]: Start difference. First operand 41371 states and 59709 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-19 08:30:39,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:42,600 INFO L93 Difference]: Finished difference Result 100595 states and 145223 transitions. [2022-11-19 08:30:42,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:42,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 439 [2022-11-19 08:30:42,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:43,147 INFO L225 Difference]: With dead ends: 100595 [2022-11-19 08:30:43,147 INFO L226 Difference]: Without dead ends: 59629 [2022-11-19 08:30:43,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:43,338 INFO L413 NwaCegarLoop]: 6491 mSDtfsCounter, 4379 mSDsluCounter, 4274 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4379 SdHoareTripleChecker+Valid, 10765 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:43,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4379 Valid, 10765 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 08:30:43,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59629 states. [2022-11-19 08:30:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59629 to 59619. [2022-11-19 08:30:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59619 states, 33893 states have (on average 1.2774024134777093) internal successors, (43295), 35297 states have internal predecessors, (43295), 21310 states have call successors, (21310), 4423 states have call predecessors, (21310), 4415 states have return successors, (21334), 20812 states have call predecessors, (21334), 21310 states have call successors, (21334) [2022-11-19 08:30:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59619 states to 59619 states and 85939 transitions. [2022-11-19 08:30:46,227 INFO L78 Accepts]: Start accepts. Automaton has 59619 states and 85939 transitions. Word has length 439 [2022-11-19 08:30:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:46,228 INFO L495 AbstractCegarLoop]: Abstraction has 59619 states and 85939 transitions. [2022-11-19 08:30:46,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-19 08:30:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 59619 states and 85939 transitions. [2022-11-19 08:30:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-11-19 08:30:46,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:46,255 INFO L195 NwaCegarLoop]: trace histogram [38, 33, 33, 33, 33, 33, 33, 6, 6, 3, 3, 3, 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] [2022-11-19 08:30:46,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:30:46,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:30:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1155081566, now seen corresponding path program 1 times [2022-11-19 08:30:46,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:46,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149790057] [2022-11-19 08:30:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4635 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4628 trivial. 0 not checked. [2022-11-19 08:30:47,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:47,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149790057] [2022-11-19 08:30:47,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149790057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:47,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:47,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:47,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992938218] [2022-11-19 08:30:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:47,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:47,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:47,252 INFO L87 Difference]: Start difference. First operand 59619 states and 85939 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-19 08:30:56,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:56,691 INFO L93 Difference]: Finished difference Result 146251 states and 210891 transitions. [2022-11-19 08:30:56,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:56,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 476 [2022-11-19 08:30:56,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:57,180 INFO L225 Difference]: With dead ends: 146251 [2022-11-19 08:30:57,181 INFO L226 Difference]: Without dead ends: 87037 [2022-11-19 08:30:57,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:57,632 INFO L413 NwaCegarLoop]: 8459 mSDtfsCounter, 4727 mSDsluCounter, 4289 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 12748 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:57,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 12748 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-19 08:30:57,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87037 states. [2022-11-19 08:31:01,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87037 to 87011. [2022-11-19 08:31:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87011 states, 49553 states have (on average 1.277763203035134) internal successors, (63317), 51607 states have internal predecessors, (63317), 31010 states have call successors, (31010), 6459 states have call predecessors, (31010), 6447 states have return successors, (31046), 30274 states have call predecessors, (31046), 31010 states have call successors, (31046) [2022-11-19 08:31:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87011 states to 87011 states and 125373 transitions. [2022-11-19 08:31:01,837 INFO L78 Accepts]: Start accepts. Automaton has 87011 states and 125373 transitions. Word has length 476 [2022-11-19 08:31:01,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:01,839 INFO L495 AbstractCegarLoop]: Abstraction has 87011 states and 125373 transitions. [2022-11-19 08:31:01,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-19 08:31:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 87011 states and 125373 transitions. [2022-11-19 08:31:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-11-19 08:31:01,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:01,871 INFO L195 NwaCegarLoop]: trace histogram [39, 33, 33, 33, 33, 33, 33, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:01,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:31:01,871 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:31:01,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:01,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1377124490, now seen corresponding path program 1 times [2022-11-19 08:31:01,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:01,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071021553] [2022-11-19 08:31:01,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat