./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 b5237d83 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_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/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_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:08:57,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:57,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:57,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:57,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:57,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:57,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:57,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:57,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:57,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:57,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:57,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:57,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:57,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:57,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:57,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:57,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:57,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:57,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:57,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:57,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:57,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:57,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:57,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:57,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:57,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:57,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:57,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:57,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:57,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:57,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:57,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:57,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:57,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:57,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:57,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:57,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:57,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:57,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:57,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:57,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:57,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:08:57,621 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:57,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:57,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:57,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:57,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:57,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:57,624 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:57,624 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:57,624 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:57,624 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:57,625 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:57,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:57,625 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:57,625 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:57,626 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:57,626 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:57,626 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:57,626 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:57,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:57,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:57,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:57,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:57,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:57,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:57,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:57,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:57,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:57,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:57,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:57,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:57,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:57,630 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:57,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:57,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:57,631 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:57,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:57,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:57,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:57,632 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_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2022-11-22 01:08:57,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:57,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:57,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:57,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:57,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:57,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 01:09:00,949 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:09:01,770 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:09:01,770 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 01:09:01,843 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/data/8532ab029/6e939c04e86d48e392d469930d2b852c/FLAG6b0578e4e [2022-11-22 01:09:01,860 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/data/8532ab029/6e939c04e86d48e392d469930d2b852c [2022-11-22 01:09:01,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:09:01,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:09:01,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:09:01,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:09:01,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:09:01,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:01" (1/1) ... [2022-11-22 01:09:01,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d6e44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:01, skipping insertion in model container [2022-11-22 01:09:01,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:01" (1/1) ... [2022-11-22 01:09:01,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:09:02,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:09:08,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-22 01:09:08,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-22 01:09:08,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:09:08,638 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:09:09,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-22 01:09:09,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-22 01:09:09,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:09:09,670 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:09:09,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09 WrapperNode [2022-11-22 01:09:09,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:09:09,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:09:09,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:09:09,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:09:09,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:09,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,329 INFO L138 Inliner]: procedures = 696, calls = 7010, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13552 [2022-11-22 01:09:10,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:09:10,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:09:10,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:09:10,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:09:10,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:10,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:11,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:09:11,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:09:11,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:09:11,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:09:11,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (1/1) ... [2022-11-22 01:09:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:09:11,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:09:11,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:09:11,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:09:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-22 01:09:11,240 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-22 01:09:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-22 01:09:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-22 01:09:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 01:09:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-22 01:09:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-22 01:09:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 01:09:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-22 01:09:11,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-22 01:09:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-22 01:09:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-22 01:09:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-22 01:09:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-22 01:09:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:09:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:09:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2022-11-22 01:09:11,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2022-11-22 01:09:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-22 01:09:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-22 01:09:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:09:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:09:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:09:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:09:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-22 01:09:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-22 01:09:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-22 01:09:11,243 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-22 01:09:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-22 01:09:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-22 01:09:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-22 01:09:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-22 01:09:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-22 01:09:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-22 01:09:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-22 01:09:11,244 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-22 01:09:11,244 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:09:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:09:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-22 01:09:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-22 01:09:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-22 01:09:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-22 01:09:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-22 01:09:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-22 01:09:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:09:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:09:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-22 01:09:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-22 01:09:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-22 01:09:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-22 01:09:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-22 01:09:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-22 01:09:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-22 01:09:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-22 01:09:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-22 01:09:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-22 01:09:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:09:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-22 01:09:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-22 01:09:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:09:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:09:11,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:09:11,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:09:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-22 01:09:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-22 01:09:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-22 01:09:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-22 01:09:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-22 01:09:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-22 01:09:11,248 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:09:11,248 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:09:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-22 01:09:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-22 01:09:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:09:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:09:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-22 01:09:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-22 01:09:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-22 01:09:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-22 01:09:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-22 01:09:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-22 01:09:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-22 01:09:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-22 01:09:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 01:09:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 01:09:11,251 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:09:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:09:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:09:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:09:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-22 01:09:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-22 01:09:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 01:09:11,267 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 01:09:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-22 01:09:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-22 01:09:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:09:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 01:09:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 01:09:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-22 01:09:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-22 01:09:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:09:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:09:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 01:09:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 01:09:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:09:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:09:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-22 01:09:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-22 01:09:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:09:11,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:09:11,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-22 01:09:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-22 01:09:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:09:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-22 01:09:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-22 01:09:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:09:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:09:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:09:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:09:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-22 01:09:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-22 01:09:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-22 01:09:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-22 01:09:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-22 01:09:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-22 01:09:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:09:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:09:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:09:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:09:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-22 01:09:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-22 01:09:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 01:09:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 01:09:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:09:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:09:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:09:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:09:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 01:09:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 01:09:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-22 01:09:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-22 01:09:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-22 01:09:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-22 01:09:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:09:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:09:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:09:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 01:09:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 01:09:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-22 01:09:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-22 01:09:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:09:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:09:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:09:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:09:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:09:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:09:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-22 01:09:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-22 01:09:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:09:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-22 01:09:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-22 01:09:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-22 01:09:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-22 01:09:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:09:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:09:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 01:09:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 01:09:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:09:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:09:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:09:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:09:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-22 01:09:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-22 01:09:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-22 01:09:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-22 01:09:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:09:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:09:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-22 01:09:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-22 01:09:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:09:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:09:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-22 01:09:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-22 01:09:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:09:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:09:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:09:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:09:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-22 01:09:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-22 01:09:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-22 01:09:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-22 01:09:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:09:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:09:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-22 01:09:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-22 01:09:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:09:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:09:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-22 01:09:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-22 01:09:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:09:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:09:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-22 01:09:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-22 01:09:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:09:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:09:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-22 01:09:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-22 01:09:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-22 01:09:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-22 01:09:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:09:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-22 01:09:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-22 01:09:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-22 01:09:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:09:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:09:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:09:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-22 01:09:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-22 01:09:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-22 01:09:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-22 01:09:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 01:09:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 01:09:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-22 01:09:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-22 01:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-22 01:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-22 01:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-22 01:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-22 01:09:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-22 01:09:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:09:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-22 01:09:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:09:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-22 01:09:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-22 01:09:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-22 01:09:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:09:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:09:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-22 01:09:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-22 01:09:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:09:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-22 01:09:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-22 01:09:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-22 01:09:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-22 01:09:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-22 01:09:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-22 01:09:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:09:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:09:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-22 01:09:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-22 01:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 01:09:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 01:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 01:09:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 01:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-22 01:09:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-22 01:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-22 01:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-22 01:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 01:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 01:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-22 01:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-22 01:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-22 01:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-22 01:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:09:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-22 01:09:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-22 01:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-22 01:09:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-22 01:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:09:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-22 01:09:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-22 01:09:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-22 01:09:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-22 01:09:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-22 01:09:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-22 01:09:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 01:09:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 01:09:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-22 01:09:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-22 01:09:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-22 01:09:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-22 01:09:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:09:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:09:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:09:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:09:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-22 01:09:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-22 01:09:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-22 01:09:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-22 01:09:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-22 01:09:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-22 01:09:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:09:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:09:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 01:09:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 01:09:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:09:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:09:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-22 01:09:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-22 01:09:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-22 01:09:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-22 01:09:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:09:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-22 01:09:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-22 01:09:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-22 01:09:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-22 01:09:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-22 01:09:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-22 01:09:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-22 01:09:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-22 01:09:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:09:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:09:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-22 01:09:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-22 01:09:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-22 01:09:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-22 01:09:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-22 01:09:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-22 01:09:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:09:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:09:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 01:09:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 01:09:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-22 01:09:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-22 01:09:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 01:09:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 01:09:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-22 01:09:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-22 01:09:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:09:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:09:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-22 01:09:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-22 01:09:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-22 01:09:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-22 01:09:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:09:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:09:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-22 01:09:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-22 01:09:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-22 01:09:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-22 01:09:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-22 01:09:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-22 01:09:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-22 01:09:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-22 01:09:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-22 01:09:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 01:09:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-22 01:09:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-22 01:09:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:09:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-22 01:09:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-22 01:09:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-22 01:09:13,198 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:09:13,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:09:13,579 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:10:05,043 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:10:08,427 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:10:08,427 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 01:10:08,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:08 BoogieIcfgContainer [2022-11-22 01:10:08,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:10:08,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:10:08,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:10:08,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:10:08,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:09:01" (1/3) ... [2022-11-22 01:10:08,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7569e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:08, skipping insertion in model container [2022-11-22 01:10:08,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:09" (2/3) ... [2022-11-22 01:10:08,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7569e787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:08, skipping insertion in model container [2022-11-22 01:10:08,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:08" (3/3) ... [2022-11-22 01:10:08,446 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-22 01:10:08,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:10:08,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:10:08,596 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:10:08,601 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;@5ceccbd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:10:08,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:10:08,616 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) [2022-11-22 01:10:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 01:10:08,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:08,637 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] [2022-11-22 01:10:08,638 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:08,643 INFO L85 PathProgramCache]: Analyzing trace with hash 643325849, now seen corresponding path program 1 times [2022-11-22 01:10:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:08,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967323669] [2022-11-22 01:10:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-22 01:10:12,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:12,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967323669] [2022-11-22 01:10:12,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967323669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:12,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:12,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:10:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481190831] [2022-11-22 01:10:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:12,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:10:12,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:10:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:12,755 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) [2022-11-22 01:10:16,216 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 [] [2022-11-22 01:10:24,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:28,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:31,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:31,548 INFO L93 Difference]: Finished difference Result 7173 states and 10810 transitions. [2022-11-22 01:10:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:10:31,550 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 [2022-11-22 01:10:31,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:31,614 INFO L225 Difference]: With dead ends: 7173 [2022-11-22 01:10:31,614 INFO L226 Difference]: Without dead ends: 3531 [2022-11-22 01:10:31,650 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 [2022-11-22 01:10:31,656 INFO L413 NwaCegarLoop]: 4872 mSDtfsCounter, 2 mSDsluCounter, 14599 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19471 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:31,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19471 Invalid, 2012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2008 Invalid, 3 Unknown, 0 Unchecked, 18.2s Time] [2022-11-22 01:10:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2022-11-22 01:10:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3529. [2022-11-22 01:10:31,958 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) [2022-11-22 01:10:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 3529 states and 5257 transitions. [2022-11-22 01:10:32,010 INFO L78 Accepts]: Start accepts. Automaton has 3529 states and 5257 transitions. Word has length 119 [2022-11-22 01:10:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:32,013 INFO L495 AbstractCegarLoop]: Abstraction has 3529 states and 5257 transitions. [2022-11-22 01:10:32,014 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) [2022-11-22 01:10:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3529 states and 5257 transitions. [2022-11-22 01:10:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-22 01:10:32,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:32,028 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] [2022-11-22 01:10:32,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:10:32,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:10:32,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:32,029 INFO L85 PathProgramCache]: Analyzing trace with hash 991912793, now seen corresponding path program 1 times [2022-11-22 01:10:32,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:32,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745252931] [2022-11-22 01:10:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-22 01:10:39,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:39,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745252931] [2022-11-22 01:10:39,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745252931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:39,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:39,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:10:39,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31483396] [2022-11-22 01:10:39,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:39,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:10:39,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:10:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:10:39,704 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) [2022-11-22 01:10:43,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:54,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:04,328 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 [] [2022-11-22 01:11:15,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:15,234 INFO L93 Difference]: Finished difference Result 6580 states and 9873 transitions. [2022-11-22 01:11:15,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:11:15,239 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 [2022-11-22 01:11:15,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:15,292 INFO L225 Difference]: With dead ends: 6580 [2022-11-22 01:11:15,293 INFO L226 Difference]: Without dead ends: 6578 [2022-11-22 01:11:15,300 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 [2022-11-22 01:11:15,301 INFO L413 NwaCegarLoop]: 7289 mSDtfsCounter, 4505 mSDsluCounter, 24382 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 31671 SdHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:15,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 31671 Invalid, 5508 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 5503 Invalid, 3 Unknown, 0 Unchecked, 34.1s Time] [2022-11-22 01:11:15,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6578 states. [2022-11-22 01:11:15,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6578 to 6570. [2022-11-22 01:11:15,937 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) [2022-11-22 01:11:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9858 transitions. [2022-11-22 01:11:15,993 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9858 transitions. Word has length 153 [2022-11-22 01:11:15,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:15,994 INFO L495 AbstractCegarLoop]: Abstraction has 6570 states and 9858 transitions. [2022-11-22 01:11:15,994 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) [2022-11-22 01:11:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9858 transitions. [2022-11-22 01:11:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-22 01:11:15,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:15,997 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] [2022-11-22 01:11:15,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:11:15,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:11:15,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:15,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1675276003, now seen corresponding path program 1 times [2022-11-22 01:11:15,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:15,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913849084] [2022-11-22 01:11:15,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:15,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-22 01:11:23,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:23,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913849084] [2022-11-22 01:11:23,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913849084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:23,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:23,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:11:23,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133827512] [2022-11-22 01:11:23,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:23,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:11:23,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:23,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:11:23,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:11:23,884 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) [2022-11-22 01:11:27,215 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 [] [2022-11-22 01:11:38,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:54,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:01,797 INFO L93 Difference]: Finished difference Result 9981 states and 15051 transitions. [2022-11-22 01:12:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:12:01,798 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 [2022-11-22 01:12:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:01,878 INFO L225 Difference]: With dead ends: 9981 [2022-11-22 01:12:01,879 INFO L226 Difference]: Without dead ends: 9979 [2022-11-22 01:12:01,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:12:01,891 INFO L413 NwaCegarLoop]: 6072 mSDtfsCounter, 5062 mSDsluCounter, 20463 mSDsCounter, 0 mSdLazyCounter, 5138 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5063 SdHoareTripleChecker+Valid, 26535 SdHoareTripleChecker+Invalid, 5144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5138 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:01,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5063 Valid, 26535 Invalid, 5144 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 5138 Invalid, 3 Unknown, 0 Unchecked, 36.3s Time] [2022-11-22 01:12:01,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9979 states. [2022-11-22 01:12:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9979 to 9970. [2022-11-22 01:12:02,989 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) [2022-11-22 01:12:03,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9970 states to 9970 states and 15032 transitions. [2022-11-22 01:12:03,087 INFO L78 Accepts]: Start accepts. Automaton has 9970 states and 15032 transitions. Word has length 145 [2022-11-22 01:12:03,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:03,088 INFO L495 AbstractCegarLoop]: Abstraction has 9970 states and 15032 transitions. [2022-11-22 01:12:03,089 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) [2022-11-22 01:12:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 9970 states and 15032 transitions. [2022-11-22 01:12:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-11-22 01:12:03,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:03,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:03,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:12:03,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:12:03,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:03,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1887438732, now seen corresponding path program 1 times [2022-11-22 01:12:03,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:03,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489592095] [2022-11-22 01:12:03,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-11-22 01:12:12,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:12,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489592095] [2022-11-22 01:12:12,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489592095] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:12:12,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129318216] [2022-11-22 01:12:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:12,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:12:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:12:12,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:12:12,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:12:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:15,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 9132 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-22 01:12:15,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:12:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-11-22 01:12:15,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:12:15,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129318216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:15,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:12:15,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-11-22 01:12:15,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730676355] [2022-11-22 01:12:15,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:15,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:12:15,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:15,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:12:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:12:15,799 INFO L87 Difference]: Start difference. First operand 9970 states and 15032 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-22 01:12:18,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:29,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:36,281 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 [] [2022-11-22 01:12:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:38,263 INFO L93 Difference]: Finished difference Result 14504 states and 21875 transitions. [2022-11-22 01:12:38,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:12:38,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) Word has length 363 [2022-11-22 01:12:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:38,363 INFO L225 Difference]: With dead ends: 14504 [2022-11-22 01:12:38,363 INFO L226 Difference]: Without dead ends: 9976 [2022-11-22 01:12:38,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:12:38,412 INFO L413 NwaCegarLoop]: 4747 mSDtfsCounter, 11 mSDsluCounter, 18931 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 23678 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:38,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 23678 Invalid, 2583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2567 Invalid, 3 Unknown, 0 Unchecked, 21.4s Time] [2022-11-22 01:12:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2022-11-22 01:12:39,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9976. [2022-11-22 01:12:39,505 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) [2022-11-22 01:12:39,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9976 states to 9976 states and 15043 transitions. [2022-11-22 01:12:39,594 INFO L78 Accepts]: Start accepts. Automaton has 9976 states and 15043 transitions. Word has length 363 [2022-11-22 01:12:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:39,595 INFO L495 AbstractCegarLoop]: Abstraction has 9976 states and 15043 transitions. [2022-11-22 01:12:39,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 4 states have call successors, (56), 2 states have call predecessors, (56), 4 states have return successors, (54), 3 states have call predecessors, (54), 4 states have call successors, (54) [2022-11-22 01:12:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 9976 states and 15043 transitions. [2022-11-22 01:12:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-22 01:12:39,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:39,627 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] [2022-11-22 01:12:39,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:12:39,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:12:39,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:12:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:39,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1991473163, now seen corresponding path program 1 times [2022-11-22 01:12:39,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:39,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943721299] [2022-11-22 01:12:39,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:39,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-11-22 01:12:47,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:47,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943721299] [2022-11-22 01:12:47,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943721299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:12:47,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749038654] [2022-11-22 01:12:47,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:47,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:12:47,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:12:47,826 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:12:47,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_083be6ed-6369-461b-8a9a-cba0600bd60b/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:12:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:51,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 9149 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-22 01:12:51,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:13:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-11-22 01:13:45,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:13:48,742 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 8191 disjunctions. This might take some time... [2022-11-22 01:13:55,444 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 8191 disjunctions.