./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.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_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/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_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/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_64b44d3f-c00c-4372-8daf-a8d88431db87/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- 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 08:12:15,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:12:15,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:12:15,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:12:15,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:12:15,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:12:15,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:12:15,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:12:15,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:12:15,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:12:15,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:12:15,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:12:15,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:12:15,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:12:15,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:12:15,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:12:15,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:12:15,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:12:15,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:12:15,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:12:15,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:12:15,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:12:15,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:12:15,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:12:15,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:12:15,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:12:15,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:12:15,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:12:15,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:12:15,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:12:15,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:12:15,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:12:15,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:12:15,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:12:15,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:12:15,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:12:15,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:12:15,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:12:15,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:12:15,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:12:15,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:12:15,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:12:15,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:12:15,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:12:15,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:12:15,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:12:15,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:12:15,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:12:15,338 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:12:15,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:12:15,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:12:15,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:12:15,340 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:12:15,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:12:15,341 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:12:15,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:12:15,341 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:12:15,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:12:15,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:12:15,342 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:12:15,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:12:15,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:12:15,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:12:15,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:12:15,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:12:15,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:12:15,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:12:15,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:12:15,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:12:15,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:12:15,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:12:15,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:12:15,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:12:15,346 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:12:15,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:12:15,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:12:15,347 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:12:15,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:12:15,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:12:15,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:12:15,348 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_64b44d3f-c00c-4372-8daf-a8d88431db87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2022-11-19 08:12:15,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:12:15,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:12:15,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:12:15,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:12:15,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:12:15,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-19 08:12:15,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/data/ee61eb5ee/e45e4823521a4772bba996319c206201/FLAGcff5e3a1f [2022-11-19 08:12:16,838 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:12:16,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-19 08:12:16,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/data/ee61eb5ee/e45e4823521a4772bba996319c206201/FLAGcff5e3a1f [2022-11-19 08:12:17,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/data/ee61eb5ee/e45e4823521a4772bba996319c206201 [2022-11-19 08:12:17,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:12:17,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:12:17,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:12:17,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:12:17,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:12:17,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:12:17" (1/1) ... [2022-11-19 08:12:17,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc62e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:17, skipping insertion in model container [2022-11-19 08:12:17,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:12:17" (1/1) ... [2022-11-19 08:12:17,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:12:17,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:12:23,541 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_64b44d3f-c00c-4372-8daf-a8d88431db87/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-19 08:12:23,547 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_64b44d3f-c00c-4372-8daf-a8d88431db87/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-19 08:12:23,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:12:23,647 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:12:24,434 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_64b44d3f-c00c-4372-8daf-a8d88431db87/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-19 08:12:24,435 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_64b44d3f-c00c-4372-8daf-a8d88431db87/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-19 08:12:24,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:12:24,834 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:12:24,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24 WrapperNode [2022-11-19 08:12:24,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:12:24,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:12:24,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:12:24,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:12:24,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,496 INFO L138 Inliner]: procedures = 696, calls = 7010, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13591 [2022-11-19 08:12:25,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:12:25,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:12:25,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:12:25,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:12:25,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:25,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:26,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:26,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:26,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:12:26,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:12:26,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:12:26,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:12:26,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (1/1) ... [2022-11-19 08:12:26,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:12:26,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:12:26,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:12:26,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:12:26,223 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-19 08:12:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-19 08:12:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-19 08:12:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-19 08:12:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 08:12:26,224 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-19 08:12:26,224 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-19 08:12:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-19 08:12:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-19 08:12:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-19 08:12:26,225 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-19 08:12:26,225 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-19 08:12:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-19 08:12:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-19 08:12:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:12:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:12:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2022-11-19 08:12:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2022-11-19 08:12:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-19 08:12:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-19 08:12:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 08:12:26,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 08:12:26,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:12:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:12:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-19 08:12:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-19 08:12:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-19 08:12:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-19 08:12:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-19 08:12:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-19 08:12:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-19 08:12:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-19 08:12:26,229 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-19 08:12:26,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-19 08:12:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-19 08:12:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-19 08:12:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:12:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:12:26,230 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-19 08:12:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-19 08:12:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-19 08:12:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-19 08:12:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-19 08:12:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-19 08:12:26,231 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:12:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:12:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-19 08:12:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-19 08:12:26,232 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-19 08:12:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-19 08:12:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-19 08:12:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-19 08:12:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-19 08:12:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-19 08:12:26,233 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-19 08:12:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-19 08:12:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:12:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-19 08:12:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-19 08:12:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:12:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:12:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:12:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:12:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-19 08:12:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-19 08:12:26,235 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-19 08:12:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-19 08:12:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-19 08:12:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-19 08:12:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:12:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:12:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:12:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:12:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-19 08:12:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-19 08:12:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-19 08:12:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-19 08:12:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:12:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:12:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:12:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-19 08:12:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-19 08:12:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-19 08:12:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-19 08:12:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-19 08:12:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-19 08:12:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-19 08:12:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-19 08:12:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:12:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:12:26,240 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:12:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:12:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:12:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:12:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-19 08:12:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-19 08:12:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 08:12:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 08:12:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-19 08:12:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-19 08:12:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:12:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 08:12:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 08:12:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-19 08:12:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-19 08:12:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:12:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:12:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 08:12:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 08:12:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:12:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:12:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-19 08:12:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-19 08:12:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:12:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:12:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:12:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:12:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-19 08:12:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-19 08:12:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-19 08:12:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-19 08:12:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 08:12:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 08:12:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-19 08:12:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-19 08:12:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:12:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:12:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:12:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:12:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-19 08:12:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-19 08:12:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-19 08:12:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-19 08:12:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 08:12:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 08:12:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:12:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:12:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:12:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:12:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-19 08:12:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-19 08:12:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:12:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:12:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 08:12:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 08:12:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:12:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:12:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 08:12:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 08:12:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-19 08:12:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-19 08:12:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-19 08:12:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-19 08:12:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:12:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 08:12:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-19 08:12:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-19 08:12:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-19 08:12:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-19 08:12:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-19 08:12:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:12:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:12:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:12:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:12:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:12:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:12:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-19 08:12:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-19 08:12:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:12:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-19 08:12:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-19 08:12:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-19 08:12:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-19 08:12:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:12:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:12:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 08:12:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 08:12:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-19 08:12:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-19 08:12:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-19 08:12:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-19 08:12:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-19 08:12:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-19 08:12:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-19 08:12:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-19 08:12:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 08:12:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 08:12:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-19 08:12:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-19 08:12:26,257 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:12:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:12:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-19 08:12:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-19 08:12:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 08:12:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 08:12:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:12:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:12:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-19 08:12:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-19 08:12:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-19 08:12:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-19 08:12:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:12:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:12:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-19 08:12:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-19 08:12:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:12:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:12:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-19 08:12:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-19 08:12:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:12:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:12:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-19 08:12:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-19 08:12:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 08:12:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 08:12:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-19 08:12:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-19 08:12:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-19 08:12:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-19 08:12:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 08:12:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 08:12:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-19 08:12:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-19 08:12:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-19 08:12:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-19 08:12:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-19 08:12:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-19 08:12:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:12:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:12:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:12:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:12:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-19 08:12:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-19 08:12:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-19 08:12:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-19 08:12:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 08:12:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 08:12:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-19 08:12:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-19 08:12:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-19 08:12:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-19 08:12:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-19 08:12:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-19 08:12:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-19 08:12:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-19 08:12:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-19 08:12:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-19 08:12:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-19 08:12:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-19 08:12:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:12:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:12:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-19 08:12:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-19 08:12:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 08:12:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 08:12:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-19 08:12:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-19 08:12:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-19 08:12:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-19 08:12:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-19 08:12:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-19 08:12:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:12:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:12:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:12:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:12:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:12:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-19 08:12:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-19 08:12:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-19 08:12:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-19 08:12:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:12:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-19 08:12:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-19 08:12:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-19 08:12:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-19 08:12:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-19 08:12:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-19 08:12:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 08:12:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 08:12:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-19 08:12:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-19 08:12:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 08:12:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-19 08:12:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:12:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 08:12:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 08:12:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-19 08:12:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-19 08:12:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-19 08:12:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-19 08:12:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:12:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:12:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:12:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:12:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-19 08:12:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-19 08:12:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-19 08:12:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-19 08:12:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:12:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:12:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-19 08:12:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-19 08:12:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-19 08:12:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-19 08:12:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:12:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:12:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-19 08:12:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-19 08:12:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-19 08:12:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-19 08:12:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-19 08:12:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-19 08:12:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:12:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:12:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-19 08:12:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-19 08:12:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-19 08:12:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-19 08:12:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 08:12:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 08:12:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:12:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:12:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-19 08:12:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-19 08:12:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-19 08:12:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-19 08:12:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-19 08:12:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-19 08:12:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:12:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:12:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-19 08:12:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-19 08:12:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:12:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:12:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-19 08:12:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-19 08:12:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-19 08:12:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-19 08:12:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:12:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-19 08:12:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-19 08:12:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-19 08:12:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-19 08:12:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-19 08:12:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-19 08:12:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-19 08:12:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-19 08:12:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:12:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:12:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-19 08:12:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-19 08:12:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-19 08:12:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-19 08:12:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-19 08:12:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-19 08:12:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:12:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:12:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 08:12:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 08:12:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-19 08:12:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-19 08:12:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 08:12:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 08:12:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-19 08:12:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-19 08:12:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:12:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:12:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-19 08:12:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-19 08:12:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-19 08:12:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-19 08:12:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 08:12:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 08:12:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-19 08:12:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-19 08:12:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-19 08:12:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-19 08:12:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-19 08:12:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-19 08:12:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-19 08:12:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-19 08:12:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-19 08:12:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-19 08:12:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:12:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-19 08:12:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-19 08:12:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-19 08:12:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-19 08:12:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-19 08:12:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-19 08:12:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:12:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:12:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-19 08:12:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-19 08:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 08:12:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 08:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-19 08:12:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-19 08:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-19 08:12:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-19 08:12:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-19 08:12:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-19 08:12:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-19 08:12:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-19 08:12:28,035 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:12:28,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:12:28,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:13:18,673 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:13:21,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:13:21,782 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-19 08:13:21,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:13:21 BoogieIcfgContainer [2022-11-19 08:13:21,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:13:21,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:13:21,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:13:21,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:13:21,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:12:17" (1/3) ... [2022-11-19 08:13:21,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c91fe4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:13:21, skipping insertion in model container [2022-11-19 08:13:21,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:12:24" (2/3) ... [2022-11-19 08:13:21,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c91fe4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:13:21, skipping insertion in model container [2022-11-19 08:13:21,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:13:21" (3/3) ... [2022-11-19 08:13:21,805 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-19 08:13:21,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:13:21,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:13:21,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:13:21,959 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;@6fb5e13b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:13:21,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:13:21,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 3602 states, 2083 states have (on average 1.3192510801728277) internal successors, (2748), 2248 states have internal predecessors, (2748), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) [2022-11-19 08:13:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 08:13:22,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:22,008 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 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] [2022-11-19 08:13:22,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:13:22,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:22,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1108688148, now seen corresponding path program 1 times [2022-11-19 08:13:22,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:22,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591932585] [2022-11-19 08:13:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:22,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-19 08:13:26,406 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:26,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591932585] [2022-11-19 08:13:26,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591932585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:26,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:26,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:13:26,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812307886] [2022-11-19 08:13:26,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:26,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:13:26,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:26,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:13:26,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:13:26,452 INFO L87 Difference]: Start difference. First operand has 3602 states, 2083 states have (on average 1.3192510801728277) internal successors, (2748), 2248 states have internal predecessors, (2748), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:13:29,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:13:37,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:13:41,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:13:44,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:13:44,907 INFO L93 Difference]: Finished difference Result 7173 states and 10810 transitions. [2022-11-19 08:13:44,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:13:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2022-11-19 08:13:44,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:13:44,970 INFO L225 Difference]: With dead ends: 7173 [2022-11-19 08:13:44,971 INFO L226 Difference]: Without dead ends: 3531 [2022-11-19 08:13:45,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:13:45,011 INFO L413 NwaCegarLoop]: 4868 mSDtfsCounter, 2 mSDsluCounter, 14587 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19455 SdHoareTripleChecker+Invalid, 2020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:13:45,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19455 Invalid, 2020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2016 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2022-11-19 08:13:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-11-19 08:13:45,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3529. [2022-11-19 08:13:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3529 states, 2058 states have (on average 1.3104956268221575) internal successors, (2697), 2209 states have internal predecessors, (2697), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 191 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2022-11-19 08:13:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 5257 transitions. [2022-11-19 08:13:45,367 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 5257 transitions. Word has length 119 [2022-11-19 08:13:45,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:13:45,368 INFO L495 AbstractCegarLoop]: Abstraction has 3529 states and 5257 transitions. [2022-11-19 08:13:45,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:13:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 5257 transitions. [2022-11-19 08:13:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-19 08:13:45,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:13:45,375 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-19 08:13:45,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:13:45,375 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:13:45,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:13:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash -956960274, now seen corresponding path program 1 times [2022-11-19 08:13:45,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:13:45,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842555989] [2022-11-19 08:13:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:13:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-19 08:13:53,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:13:53,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842555989] [2022-11-19 08:13:53,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842555989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:13:53,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:13:53,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:13:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156269085] [2022-11-19 08:13:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:13:53,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:13:53,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:13:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:13:53,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:13:53,139 INFO L87 Difference]: Start difference. First operand 3529 states and 5257 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 08:13:56,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:14:11,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:14:22,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:14:32,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:14:32,896 INFO L93 Difference]: Finished difference Result 6580 states and 9873 transitions. [2022-11-19 08:14:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:14:32,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 153 [2022-11-19 08:14:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:14:32,950 INFO L225 Difference]: With dead ends: 6580 [2022-11-19 08:14:32,950 INFO L226 Difference]: Without dead ends: 6578 [2022-11-19 08:14:32,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:14:32,957 INFO L413 NwaCegarLoop]: 7274 mSDtfsCounter, 4505 mSDsluCounter, 24337 mSDsCounter, 0 mSdLazyCounter, 5495 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 31611 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5495 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:14:32,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 31611 Invalid, 5500 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 5495 Invalid, 3 Unknown, 0 Unchecked, 38.3s Time] [2022-11-19 08:14:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2022-11-19 08:14:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 6570. [2022-11-19 08:14:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6570 states, 3834 states have (on average 1.310902451747522) internal successors, (5026), 4127 states have internal predecessors, (5026), 2371 states have call successors, (2371), 363 states have call predecessors, (2371), 364 states have return successors, (2461), 2246 states have call predecessors, (2461), 2371 states have call successors, (2461) [2022-11-19 08:14:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9858 transitions. [2022-11-19 08:14:33,568 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9858 transitions. Word has length 153 [2022-11-19 08:14:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:14:33,569 INFO L495 AbstractCegarLoop]: Abstraction has 6570 states and 9858 transitions. [2022-11-19 08:14:33,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 08:14:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9858 transitions. [2022-11-19 08:14:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-19 08:14:33,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:14:33,581 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 08:14:33,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:14:33,582 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:14:33,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:14:33,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1594778064, now seen corresponding path program 1 times [2022-11-19 08:14:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:14:33,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607314237] [2022-11-19 08:14:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:14:33,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:14:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:14:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-19 08:14:40,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:14:40,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607314237] [2022-11-19 08:14:40,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607314237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:14:40,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:14:40,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:14:40,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639141186] [2022-11-19 08:14:40,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:14:40,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:14:40,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:14:40,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:14:40,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:14:40,977 INFO L87 Difference]: Start difference. First operand 6570 states and 9858 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:14:44,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:14:57,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:11,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:18,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:18,309 INFO L93 Difference]: Finished difference Result 9981 states and 15051 transitions. [2022-11-19 08:15:18,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:15:18,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2022-11-19 08:15:18,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:18,392 INFO L225 Difference]: With dead ends: 9981 [2022-11-19 08:15:18,393 INFO L226 Difference]: Without dead ends: 9979 [2022-11-19 08:15:18,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:15:18,403 INFO L413 NwaCegarLoop]: 6064 mSDtfsCounter, 5062 mSDsluCounter, 20438 mSDsCounter, 0 mSdLazyCounter, 5131 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 26502 SdHoareTripleChecker+Invalid, 5137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5131 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:18,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 26502 Invalid, 5137 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5131 Invalid, 3 Unknown, 0 Unchecked, 35.5s Time] [2022-11-19 08:15:18,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9979 states. [2022-11-19 08:15:19,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9979 to 9970. [2022-11-19 08:15:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9970 states, 5822 states have (on average 1.3120920645826177) internal successors, (7639), 6269 states have internal predecessors, (7639), 3599 states have call successors, (3599), 547 states have call predecessors, (3599), 548 states have return successors, (3794), 3407 states have call predecessors, (3794), 3599 states have call successors, (3794) [2022-11-19 08:15:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 15032 transitions. [2022-11-19 08:15:19,711 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 15032 transitions. Word has length 145 [2022-11-19 08:15:19,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:19,712 INFO L495 AbstractCegarLoop]: Abstraction has 9970 states and 15032 transitions. [2022-11-19 08:15:19,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:15:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 15032 transitions. [2022-11-19 08:15:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-19 08:15:19,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:19,745 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 08:15:19,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:15:19,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:19,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1477350810, now seen corresponding path program 1 times [2022-11-19 08:15:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:19,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844245335] [2022-11-19 08:15:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:28,092 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2022-11-19 08:15:28,093 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:15:28,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844245335] [2022-11-19 08:15:28,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844245335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:15:28,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528076623] [2022-11-19 08:15:28,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:28,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:15:28,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:15:28,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:15:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:15:31,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 8777 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-19 08:15:31,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:15:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2022-11-19 08:15:31,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:15:31,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528076623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:15:31,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:15:31,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-11-19 08:15:31,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666118481] [2022-11-19 08:15:31,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:15:31,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:15:31,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:15:31,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:15:31,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-19 08:15:31,730 INFO L87 Difference]: Start difference. First operand 9970 states and 15032 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-19 08:15:34,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:44,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:50,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:15:53,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:15:53,436 INFO L93 Difference]: Finished difference Result 14504 states and 21875 transitions. [2022-11-19 08:15:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:15:53,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 296 [2022-11-19 08:15:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:15:53,516 INFO L225 Difference]: With dead ends: 14504 [2022-11-19 08:15:53,516 INFO L226 Difference]: Without dead ends: 9976 [2022-11-19 08:15:53,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-19 08:15:53,562 INFO L413 NwaCegarLoop]: 4743 mSDtfsCounter, 12 mSDsluCounter, 18917 mSDsCounter, 0 mSdLazyCounter, 2577 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23660 SdHoareTripleChecker+Invalid, 2593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2577 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:15:53,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23660 Invalid, 2593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2577 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2022-11-19 08:15:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2022-11-19 08:15:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9976. [2022-11-19 08:15:54,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9976 states, 5825 states have (on average 1.311931330472103) internal successors, (7642), 6275 states have internal predecessors, (7642), 3599 states have call successors, (3599), 547 states have call predecessors, (3599), 551 states have return successors, (3802), 3407 states have call predecessors, (3802), 3599 states have call successors, (3802) [2022-11-19 08:15:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 15043 transitions. [2022-11-19 08:15:54,877 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 15043 transitions. Word has length 296 [2022-11-19 08:15:54,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:15:54,879 INFO L495 AbstractCegarLoop]: Abstraction has 9976 states and 15043 transitions. [2022-11-19 08:15:54,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-19 08:15:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 15043 transitions. [2022-11-19 08:15:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-19 08:15:54,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:15:54,918 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-11-19 08:15:54,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:15:55,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:15:55,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:15:55,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:15:55,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1059216338, now seen corresponding path program 1 times [2022-11-19 08:15:55,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:15:55,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489249601] [2022-11-19 08:15:55,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:15:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:15:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-11-19 08:16:02,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:02,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489249601] [2022-11-19 08:16:02,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489249601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:16:02,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491031037] [2022-11-19 08:16:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:02,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:16:02,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:02,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:16:02,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64b44d3f-c00c-4372-8daf-a8d88431db87/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:16:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:05,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 9149 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-19 08:16:05,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:16:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-19 08:16:55,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:16:58,545 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 8191 disjunctions. This might take some time... [2022-11-19 08:17:04,717 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 8191 disjunctions.