./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:23,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:23,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:23,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:23,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:23,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:23,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:23,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:23,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:23,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:23,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:23,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:23,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:23,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:23,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:23,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:23,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:23,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:23,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:23,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:23,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:23,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:23,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:23,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:23,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:23,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:23,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:23,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:23,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:23,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:23,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:23,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:23,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:23,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:23,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:23,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:23,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:23,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:23,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:23,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:23,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:23,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:23:23,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:23,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:23,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:23,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:23,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:23,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:23,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:23,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:23,717 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:23,717 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:23,717 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:23,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:23,718 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:23,718 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:23,719 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:23,719 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:23,719 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:23,719 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:23,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:23,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:23,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:23,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:23:23,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:23,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:23:23,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:23:23,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:23,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:23:23,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:23,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:23,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:23,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:23,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:23,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:23:23,724 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:23,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:23,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:23:23,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:23,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:23,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-25 18:23:23,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:23,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:23,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:23,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:23,975 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:23,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:23:24,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/af8508a59/2a7fbbfec7e74d22878cac4b6a24ef04/FLAG1c929d9f2 [2021-11-25 18:23:25,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:25,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:23:25,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/af8508a59/2a7fbbfec7e74d22878cac4b6a24ef04/FLAG1c929d9f2 [2021-11-25 18:23:25,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/af8508a59/2a7fbbfec7e74d22878cac4b6a24ef04 [2021-11-25 18:23:25,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:25,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:25,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:25,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:25,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:25,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:25" (1/1) ... [2021-11-25 18:23:25,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410124d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:25, skipping insertion in model container [2021-11-25 18:23:25,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:25" (1/1) ... [2021-11-25 18:23:25,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:25,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:28,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-25 18:23:28,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:28,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:29,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-25 18:23:29,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:29,683 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:29,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29 WrapperNode [2021-11-25 18:23:29,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:29,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:29,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:29,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:29,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:29,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,240 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7107 [2021-11-25 18:23:30,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:30,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:30,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:30,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:30,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:30,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:30,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:30,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:30,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (1/1) ... [2021-11-25 18:23:30,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:30,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:30,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-25 18:23:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-25 18:23:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-25 18:23:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-25 18:23:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:23:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:23:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:23:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:23:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:23:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:23:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 18:23:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 18:23:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:23:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:23:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-25 18:23:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-25 18:23:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:23:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:23:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 18:23:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 18:23:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-25 18:23:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-25 18:23:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:23:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:23:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:23:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-25 18:23:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-25 18:23:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-25 18:23:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-25 18:23:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-25 18:23:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-25 18:23:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 18:23:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 18:23:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-25 18:23:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-25 18:23:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:23:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:23:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:23:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:23:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:23:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-25 18:23:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-25 18:23:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-25 18:23:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-25 18:23:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-25 18:23:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-25 18:23:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:23:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:23:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 18:23:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 18:23:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:23:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:23:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:23:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:23:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-25 18:23:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-25 18:23:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:23:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:23:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-25 18:23:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-25 18:23:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-25 18:23:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-25 18:23:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:23:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:23:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-25 18:23:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-25 18:23:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-25 18:23:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-25 18:23:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:23:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:23:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:23:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:23:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 18:23:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 18:23:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-25 18:23:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-25 18:23:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 18:23:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 18:23:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-25 18:23:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-25 18:23:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 18:23:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 18:23:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-25 18:23:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-25 18:23:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:23:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:23:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:23:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:23:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-25 18:23:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-25 18:23:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-25 18:23:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-25 18:23:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-25 18:23:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-25 18:23:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-25 18:23:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-25 18:23:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-25 18:23:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-25 18:23:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:23:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:23:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-25 18:23:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-25 18:23:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-25 18:23:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-25 18:23:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-25 18:23:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-25 18:23:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 18:23:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 18:23:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:23:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:23:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-25 18:23:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-25 18:23:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:23:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:23:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:23:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:23:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 18:23:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 18:23:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-25 18:23:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-25 18:23:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-25 18:23:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-25 18:23:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-25 18:23:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-25 18:23:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-25 18:23:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-25 18:23:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-25 18:23:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-25 18:23:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-25 18:23:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-25 18:23:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-25 18:23:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-25 18:23:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-25 18:23:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-25 18:23:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:23:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:23:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-25 18:23:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-25 18:23:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-25 18:23:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-25 18:23:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:23:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:23:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:23:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:23:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-25 18:23:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-25 18:23:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-25 18:23:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-25 18:23:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-25 18:23:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-25 18:23:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:23:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:23:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:23:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:23:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 18:23:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 18:23:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-25 18:23:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-25 18:23:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-25 18:23:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-25 18:23:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 18:23:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 18:23:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-25 18:23:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-25 18:23:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:23:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:23:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:23:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:23:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:23:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-25 18:23:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-25 18:23:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:23:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-25 18:23:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-25 18:23:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-25 18:23:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-25 18:23:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-25 18:23:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-25 18:23:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-25 18:23:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-25 18:23:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-25 18:23:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-25 18:23:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:23:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 18:23:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 18:23:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:23:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:23:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-25 18:23:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-25 18:23:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-25 18:23:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-25 18:23:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 18:23:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 18:23:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-25 18:23:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-25 18:23:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-25 18:23:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-25 18:23:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-25 18:23:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-25 18:23:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-25 18:23:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-25 18:23:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-25 18:23:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-25 18:23:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:23:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:23:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-25 18:23:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-25 18:23:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-25 18:23:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-25 18:23:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 18:23:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 18:23:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-25 18:23:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-25 18:23:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-25 18:23:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-25 18:23:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-25 18:23:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-25 18:23:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-25 18:23:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-25 18:23:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:23:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:23:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 18:23:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 18:23:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:23:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:23:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-25 18:23:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-25 18:23:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-25 18:23:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-25 18:23:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-25 18:23:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-25 18:23:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-25 18:23:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-25 18:23:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-25 18:23:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-25 18:23:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:23:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:23:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-25 18:23:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-25 18:23:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-25 18:23:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-25 18:23:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-25 18:23:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-25 18:23:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-25 18:23:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-25 18:23:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-25 18:23:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-25 18:23:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 18:23:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 18:23:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:23:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:23:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-25 18:23:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-25 18:23:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-25 18:23:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-25 18:23:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:23:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:23:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-25 18:23:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-25 18:23:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 18:23:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 18:23:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-25 18:23:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-25 18:23:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-25 18:23:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-25 18:23:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-25 18:23:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-25 18:23:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-25 18:23:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-25 18:23:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-25 18:23:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-25 18:23:32,089 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:32,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:46,969 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:23:49,553 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:23:49,554 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:23:49,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:49 BoogieIcfgContainer [2021-11-25 18:23:49,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:23:49,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:23:49,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:23:49,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:23:49,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:25" (1/3) ... [2021-11-25 18:23:49,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a184a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:49, skipping insertion in model container [2021-11-25 18:23:49,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:29" (2/3) ... [2021-11-25 18:23:49,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a184a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:23:49, skipping insertion in model container [2021-11-25 18:23:49,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:49" (3/3) ... [2021-11-25 18:23:49,569 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:23:49,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:23:49,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:23:49,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:23:49,637 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:23:49,638 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:23:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1222 states have (on average 1.3330605564648117) internal successors, (1629), 1285 states have internal predecessors, (1629), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-11-25 18:23:49,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 18:23:49,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:49,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:49,701 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:49,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1830431302, now seen corresponding path program 1 times [2021-11-25 18:23:49,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:49,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352807601] [2021-11-25 18:23:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:49,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:50,324 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:50,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352807601] [2021-11-25 18:23:50,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352807601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:50,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:50,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:50,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913170838] [2021-11-25 18:23:50,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:50,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:50,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:50,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:50,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:50,380 INFO L87 Difference]: Start difference. First operand has 1964 states, 1222 states have (on average 1.3330605564648117) internal successors, (1629), 1285 states have internal predecessors, (1629), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:23:53,229 INFO L93 Difference]: Finished difference Result 3925 states and 5787 transitions. [2021-11-25 18:23:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:23:53,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-25 18:23:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:23:53,280 INFO L225 Difference]: With dead ends: 3925 [2021-11-25 18:23:53,280 INFO L226 Difference]: Without dead ends: 1947 [2021-11-25 18:23:53,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:53,307 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 2833 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:23:53,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2833 Valid, 2589 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 18:23:53,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2021-11-25 18:23:53,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2021-11-25 18:23:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1208 states have (on average 1.3236754966887416) internal successors, (1599), 1268 states have internal predecessors, (1599), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-11-25 18:23:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2809 transitions. [2021-11-25 18:23:53,590 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2809 transitions. Word has length 7 [2021-11-25 18:23:53,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:23:53,590 INFO L470 AbstractCegarLoop]: Abstraction has 1947 states and 2809 transitions. [2021-11-25 18:23:53,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2809 transitions. [2021-11-25 18:23:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 18:23:53,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:23:53,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:23:53,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:23:53,594 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:23:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:23:53,598 INFO L85 PathProgramCache]: Analyzing trace with hash 907632847, now seen corresponding path program 1 times [2021-11-25 18:23:53,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:23:53,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845674768] [2021-11-25 18:23:53,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:23:53,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:23:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:23:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:23:53,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:23:53,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845674768] [2021-11-25 18:23:53,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845674768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:23:53,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:23:53,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:23:53,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983823579] [2021-11-25 18:23:53,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:23:53,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:23:53,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:23:53,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:23:53,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:23:53,809 INFO L87 Difference]: Start difference. First operand 1947 states and 2809 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:23:58,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:01,586 INFO L93 Difference]: Finished difference Result 5776 states and 8681 transitions. [2021-11-25 18:24:01,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:24:01,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 18:24:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:01,634 INFO L225 Difference]: With dead ends: 5776 [2021-11-25 18:24:01,634 INFO L226 Difference]: Without dead ends: 3830 [2021-11-25 18:24:01,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:01,652 INFO L933 BasicCegarLoop]: 3265 mSDtfsCounter, 2819 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:01,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2819 Valid, 5893 Invalid, 511 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 505 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-11-25 18:24:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-25 18:24:01,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3827. [2021-11-25 18:24:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2379 states have (on average 1.3224043715846994) internal successors, (3146), 2492 states have internal predecessors, (3146), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:24:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5700 transitions. [2021-11-25 18:24:01,992 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5700 transitions. Word has length 8 [2021-11-25 18:24:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:01,993 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5700 transitions. [2021-11-25 18:24:01,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5700 transitions. [2021-11-25 18:24:01,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:24:01,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:01,995 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:01,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:24:01,996 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:24:01,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1929310615, now seen corresponding path program 1 times [2021-11-25 18:24:01,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:01,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665572862] [2021-11-25 18:24:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:01,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:24:02,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:02,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665572862] [2021-11-25 18:24:02,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665572862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:02,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:24:02,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:24:02,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411260303] [2021-11-25 18:24:02,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:02,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:24:02,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:02,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:24:02,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:02,194 INFO L87 Difference]: Start difference. First operand 3827 states and 5700 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:04,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:06,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:06,565 INFO L93 Difference]: Finished difference Result 3829 states and 5701 transitions. [2021-11-25 18:24:06,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:24:06,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:24:06,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:06,606 INFO L225 Difference]: With dead ends: 3829 [2021-11-25 18:24:06,606 INFO L226 Difference]: Without dead ends: 3826 [2021-11-25 18:24:06,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:06,613 INFO L933 BasicCegarLoop]: 2560 mSDtfsCounter, 2801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:06,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2801 Valid, 2560 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-11-25 18:24:06,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-25 18:24:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-25 18:24:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2379 states have (on average 1.3219840269020597) internal successors, (3145), 2491 states have internal predecessors, (3145), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:24:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5698 transitions. [2021-11-25 18:24:06,883 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5698 transitions. Word has length 9 [2021-11-25 18:24:06,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:06,883 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5698 transitions. [2021-11-25 18:24:06,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5698 transitions. [2021-11-25 18:24:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 18:24:06,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:06,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:06,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:24:06,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:24:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:06,886 INFO L85 PathProgramCache]: Analyzing trace with hash 319760146, now seen corresponding path program 1 times [2021-11-25 18:24:06,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:06,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886925113] [2021-11-25 18:24:06,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:06,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:24:07,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:07,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886925113] [2021-11-25 18:24:07,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886925113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:07,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:24:07,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:24:07,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3041927] [2021-11-25 18:24:07,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:07,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:24:07,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:07,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:24:07,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:07,063 INFO L87 Difference]: Start difference. First operand 3826 states and 5698 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:09,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:24:10,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:10,954 INFO L93 Difference]: Finished difference Result 3828 states and 5699 transitions. [2021-11-25 18:24:10,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:24:10,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 18:24:10,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:10,989 INFO L225 Difference]: With dead ends: 3828 [2021-11-25 18:24:10,990 INFO L226 Difference]: Without dead ends: 3825 [2021-11-25 18:24:10,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:10,993 INFO L933 BasicCegarLoop]: 2558 mSDtfsCounter, 2798 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:10,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2798 Valid, 2558 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:24:11,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2021-11-25 18:24:11,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3825. [2021-11-25 18:24:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3825 states, 2379 states have (on average 1.3215636822194199) internal successors, (3144), 2490 states have internal predecessors, (3144), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:24:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3825 states and 5696 transitions. [2021-11-25 18:24:11,241 INFO L78 Accepts]: Start accepts. Automaton has 3825 states and 5696 transitions. Word has length 10 [2021-11-25 18:24:11,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:11,242 INFO L470 AbstractCegarLoop]: Abstraction has 3825 states and 5696 transitions. [2021-11-25 18:24:11,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 5696 transitions. [2021-11-25 18:24:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 18:24:11,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:11,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:11,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:24:11,245 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:24:11,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:11,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1321481868, now seen corresponding path program 1 times [2021-11-25 18:24:11,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:11,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709940871] [2021-11-25 18:24:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:11,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:24:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:24:11,390 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:24:11,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709940871] [2021-11-25 18:24:11,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709940871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:24:11,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:24:11,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 18:24:11,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686755630] [2021-11-25 18:24:11,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:24:11,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:24:11,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:24:11,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:24:11,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:11,393 INFO L87 Difference]: Start difference. First operand 3825 states and 5696 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:13,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:24:13,646 INFO L93 Difference]: Finished difference Result 3827 states and 5697 transitions. [2021-11-25 18:24:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:24:13,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 18:24:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:24:13,680 INFO L225 Difference]: With dead ends: 3827 [2021-11-25 18:24:13,680 INFO L226 Difference]: Without dead ends: 3818 [2021-11-25 18:24:13,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:24:13,686 INFO L933 BasicCegarLoop]: 2557 mSDtfsCounter, 2795 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:24:13,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2795 Valid, 2557 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 18:24:13,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-11-25 18:24:13,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2021-11-25 18:24:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 2373 states have (on average 1.3211125158027812) internal successors, (3135), 2483 states have internal predecessors, (3135), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:24:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5686 transitions. [2021-11-25 18:24:13,926 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5686 transitions. Word has length 11 [2021-11-25 18:24:13,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:24:13,927 INFO L470 AbstractCegarLoop]: Abstraction has 3818 states and 5686 transitions. [2021-11-25 18:24:13,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:24:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5686 transitions. [2021-11-25 18:24:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:24:13,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:24:13,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:24:13,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:24:13,938 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:24:13,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:24:13,939 INFO L85 PathProgramCache]: Analyzing trace with hash -393970023, now seen corresponding path program 1 times [2021-11-25 18:24:13,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:24:13,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323978647] [2021-11-25 18:24:13,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:24:13,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:24:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:24:14,331 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:24:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:24:14,702 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 18:24:14,702 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:24:14,703 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:24:14,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:24:14,708 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-25 18:24:14,711 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:24:14,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:24:14 BoogieIcfgContainer [2021-11-25 18:24:14,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:24:14,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:24:14,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:24:14,885 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:24:14,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:23:49" (3/4) ... [2021-11-25 18:24:14,889 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 18:24:14,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:24:14,889 INFO L158 Benchmark]: Toolchain (without parser) took 49476.13ms. Allocated memory was 107.0MB in the beginning and 1.0GB in the end (delta: 908.1MB). Free memory was 55.0MB in the beginning and 845.5MB in the end (delta: -790.5MB). Peak memory consumption was 118.6MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,892 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:24:14,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4248.31ms. Allocated memory was 107.0MB in the beginning and 218.1MB in the end (delta: 111.1MB). Free memory was 79.5MB in the beginning and 119.9MB in the end (delta: -40.4MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 556.55ms. Allocated memory is still 218.1MB. Free memory was 119.9MB in the beginning and 115.0MB in the end (delta: 4.9MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,893 INFO L158 Benchmark]: Boogie Preprocessor took 435.10ms. Allocated memory is still 218.1MB. Free memory was 115.0MB in the beginning and 93.9MB in the end (delta: 21.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,893 INFO L158 Benchmark]: RCFGBuilder took 18883.91ms. Allocated memory was 218.1MB in the beginning and 696.3MB in the end (delta: 478.2MB). Free memory was 93.9MB in the beginning and 434.6MB in the end (delta: -340.7MB). Peak memory consumption was 428.7MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,894 INFO L158 Benchmark]: TraceAbstraction took 25321.34ms. Allocated memory was 696.3MB in the beginning and 1.0GB in the end (delta: 318.8MB). Free memory was 433.6MB in the beginning and 846.5MB in the end (delta: -412.9MB). Peak memory consumption was 398.7MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,894 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 1.0GB. Free memory was 846.5MB in the beginning and 845.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:24:14,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4248.31ms. Allocated memory was 107.0MB in the beginning and 218.1MB in the end (delta: 111.1MB). Free memory was 79.5MB in the beginning and 119.9MB in the end (delta: -40.4MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 556.55ms. Allocated memory is still 218.1MB. Free memory was 119.9MB in the beginning and 115.0MB in the end (delta: 4.9MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 435.10ms. Allocated memory is still 218.1MB. Free memory was 115.0MB in the beginning and 93.9MB in the end (delta: 21.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * RCFGBuilder took 18883.91ms. Allocated memory was 218.1MB in the beginning and 696.3MB in the end (delta: 478.2MB). Free memory was 93.9MB in the beginning and 434.6MB in the end (delta: -340.7MB). Peak memory consumption was 428.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25321.34ms. Allocated memory was 696.3MB in the beginning and 1.0GB in the end (delta: 318.8MB). Free memory was 433.6MB in the beginning and 846.5MB in the end (delta: -412.9MB). Peak memory consumption was 398.7MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 1.0GB. Free memory was 846.5MB in the beginning and 845.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5247:5251}, vif={5247:5251}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5247:5251}, vif={5247:5251}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: [L6185] return (pfo_ret__); [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={0:0}, hw={5244:0}, hw={5244:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5244:0}, hw={5244:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, priv->fw_mutex_owner={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5244:0}, hw={5244:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5247:5251}, vif={5247:5251}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5247:5251}, vif={5247:5251}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5247:5251}, vif={5247:5251}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5247:5251}, vif={5247:5251}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5247:5251}, vif={5247:5251}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5247:5251}, vif={5247:5251}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5244:0}, hw={5244:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5244:0}, hw={5244:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5244:-1338}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5244:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5244:0}, lock={5244:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 1964 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 14046 SdHoareTripleChecker+Valid, 19.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14046 mSDsluCounter, 16157 SdHoareTripleChecker+Invalid, 18.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2869 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1493 IncrementalHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 13529 mSDtfsCounter, 1493 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3827occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 18:24:14,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:24:17,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:24:17,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:24:17,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:24:17,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:24:17,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:24:17,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:24:17,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:24:17,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:24:17,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:24:17,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:24:17,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:24:17,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:24:17,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:24:17,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:24:17,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:24:17,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:24:17,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:24:17,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:24:17,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:24:17,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:24:17,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:24:17,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:24:17,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:24:17,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:24:17,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:24:17,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:24:17,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:24:17,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:24:17,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:24:17,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:24:17,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:24:17,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:24:17,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:24:17,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:24:17,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:24:17,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:24:17,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:24:17,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:24:17,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:24:17,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:24:17,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 18:24:17,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:24:17,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:24:17,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:24:17,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:24:17,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:24:17,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:24:17,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:24:17,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:24:17,432 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:24:17,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:24:17,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:24:17,434 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:24:17,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:24:17,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:24:17,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:24:17,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:24:17,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:24:17,437 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:24:17,437 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:24:17,437 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:24:17,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:24:17,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:24:17,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:24:17,438 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:24:17,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:24:17,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:24:17,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:24:17,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:24:17,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:24:17,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:24:17,440 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:24:17,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:24:17,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:24:17,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:24:17,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:24:17,441 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-25 18:24:17,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:24:17,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:24:17,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:24:17,859 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:24:17,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:24:17,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:24:17,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/24d633188/29e6ccf1e3404c55a4a06be8dec18c21/FLAGf3f9294d0 [2021-11-25 18:24:18,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:24:18,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:24:19,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/24d633188/29e6ccf1e3404c55a4a06be8dec18c21/FLAGf3f9294d0 [2021-11-25 18:24:19,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/data/24d633188/29e6ccf1e3404c55a4a06be8dec18c21 [2021-11-25 18:24:19,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:24:19,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:24:19,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:24:19,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:24:19,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:24:19,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:24:19" (1/1) ... [2021-11-25 18:24:19,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318ef14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:19, skipping insertion in model container [2021-11-25 18:24:19,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:24:19" (1/1) ... [2021-11-25 18:24:19,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:24:19,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:24:22,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-25 18:24:22,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:24:22,715 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-25 18:24:22,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:24:23,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-25 18:24:23,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:24:23,446 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:24:23,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-25 18:24:23,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:24:24,274 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:24:24,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24 WrapperNode [2021-11-25 18:24:24,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:24:24,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:24:24,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:24:24,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:24:24,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:24,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:24,779 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2021-11-25 18:24:24,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:24:24,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:24:24,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:24:24,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:24:24,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:24,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:24,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:24,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:25,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:25,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:25,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:25,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:24:25,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:24:25,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:24:25,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:24:25,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (1/1) ... [2021-11-25 18:24:25,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:24:25,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:24:25,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:24:25,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:24:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-25 18:24:25,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-25 18:24:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-25 18:24:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-25 18:24:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:24:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:24:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:24:25,315 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:24:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:24:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:24:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:24:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:24:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 18:24:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 18:24:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:24:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:24:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-25 18:24:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-25 18:24:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:24:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:24:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 18:24:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 18:24:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-25 18:24:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-25 18:24:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:24:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:24:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:24:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-25 18:24:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-25 18:24:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-25 18:24:25,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-25 18:24:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-25 18:24:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-25 18:24:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 18:24:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 18:24:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-25 18:24:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-25 18:24:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:24:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-25 18:24:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 18:24:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 18:24:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:24:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:24:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:24:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:24:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-25 18:24:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-25 18:24:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-25 18:24:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-25 18:24:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-25 18:24:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-25 18:24:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:24:25,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:24:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 18:24:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 18:24:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:24:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:24:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-25 18:24:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-25 18:24:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:24:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:24:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-25 18:24:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-25 18:24:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-25 18:24:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-25 18:24:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:24:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:24:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-25 18:24:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-25 18:24:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-25 18:24:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-25 18:24:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:24:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:24:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:24:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:24:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 18:24:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 18:24:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-25 18:24:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-25 18:24:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 18:24:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 18:24:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-25 18:24:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-25 18:24:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:24:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 18:24:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 18:24:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:24:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-25 18:24:25,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-25 18:24:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:24:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:24:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-25 18:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-25 18:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-25 18:24:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-25 18:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-25 18:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-25 18:24:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-25 18:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-25 18:24:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-25 18:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-25 18:24:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-25 18:24:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-25 18:24:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-25 18:24:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:24:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:24:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-25 18:24:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-25 18:24:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-25 18:24:25,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-25 18:24:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-25 18:24:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:24:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:24:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-25 18:24:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-25 18:24:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 18:24:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 18:24:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-25 18:24:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:24:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:24:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-25 18:24:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-25 18:24:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-25 18:24:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 18:24:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:24:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-25 18:24:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:24:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:24:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:24:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 18:24:25,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 18:24:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-25 18:24:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-25 18:24:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-25 18:24:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-25 18:24:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-25 18:24:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-25 18:24:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-25 18:24:25,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-25 18:24:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-25 18:24:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-25 18:24:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-25 18:24:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-25 18:24:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-25 18:24:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-25 18:24:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-25 18:24:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-25 18:24:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:24:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:24:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-25 18:24:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-25 18:24:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-25 18:24:25,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-25 18:24:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:24:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:24:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:24:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:24:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-25 18:24:25,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-25 18:24:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-25 18:24:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-25 18:24:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-25 18:24:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-25 18:24:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:24:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:24:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:24:25,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:24:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 18:24:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 18:24:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-25 18:24:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-25 18:24:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-25 18:24:25,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-25 18:24:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-25 18:24:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-25 18:24:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-25 18:24:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-25 18:24:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:24:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:24:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:24:25,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:24:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:24:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-25 18:24:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-25 18:24:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:24:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-25 18:24:25,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-25 18:24:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-25 18:24:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-25 18:24:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-25 18:24:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-25 18:24:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-25 18:24:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-25 18:24:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-25 18:24:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-25 18:24:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-25 18:24:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-25 18:24:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-25 18:24:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 18:24:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:24:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 18:24:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 18:24:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:24:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:24:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-25 18:24:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-25 18:24:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-25 18:24:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-25 18:24:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-25 18:24:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-25 18:24:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-25 18:24:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-25 18:24:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-25 18:24:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-25 18:24:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-25 18:24:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-25 18:24:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-25 18:24:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-25 18:24:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-25 18:24:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-25 18:24:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:24:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:24:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-25 18:24:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-25 18:24:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-25 18:24:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-25 18:24:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 18:24:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 18:24:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-25 18:24:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-25 18:24:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-25 18:24:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-25 18:24:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-25 18:24:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-25 18:24:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-25 18:24:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-25 18:24:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:24:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:24:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 18:24:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 18:24:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-25 18:24:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-25 18:24:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-25 18:24:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-25 18:24:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:24:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:24:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-25 18:24:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-25 18:24:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-25 18:24:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-25 18:24:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-25 18:24:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-25 18:24:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-25 18:24:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-25 18:24:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-25 18:24:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-25 18:24:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:24:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:24:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-25 18:24:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-25 18:24:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-25 18:24:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-25 18:24:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-25 18:24:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-25 18:24:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-25 18:24:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-25 18:24:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-25 18:24:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-25 18:24:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 18:24:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 18:24:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:24:25,379 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:24:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-25 18:24:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-25 18:24:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-25 18:24:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-25 18:24:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:24:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:24:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-25 18:24:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-25 18:24:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 18:24:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 18:24:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-25 18:24:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-25 18:24:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-25 18:24:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-25 18:24:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-25 18:24:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-25 18:24:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-25 18:24:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-25 18:24:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-25 18:24:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-25 18:24:26,467 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:24:26,474 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:26:15,436 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:26:15,476 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:26:15,476 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:26:15,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:26:15 BoogieIcfgContainer [2021-11-25 18:26:15,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:26:15,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:26:15,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:26:15,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:26:15,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:24:19" (1/3) ... [2021-11-25 18:26:15,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517e6073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:26:15, skipping insertion in model container [2021-11-25 18:26:15,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:24:24" (2/3) ... [2021-11-25 18:26:15,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517e6073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:26:15, skipping insertion in model container [2021-11-25 18:26:15,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:26:15" (3/3) ... [2021-11-25 18:26:15,492 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-25 18:26:15,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:26:15,497 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:26:15,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:26:15,574 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:26:15,574 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:26:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-11-25 18:26:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:26:15,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:15,662 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:15,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-11-25 18:26:15,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:15,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140454968] [2021-11-25 18:26:15,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:15,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:15,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 18:26:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:17,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:17,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:17,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:17,907 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:17,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140454968] [2021-11-25 18:26:17,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140454968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:17,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:17,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:17,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851106832] [2021-11-25 18:26:17,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:17,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:17,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:17,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:17,962 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:18,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:18,470 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-11-25 18:26:18,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:18,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:26:18,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:18,506 INFO L225 Difference]: With dead ends: 5004 [2021-11-25 18:26:18,506 INFO L226 Difference]: Without dead ends: 2485 [2021-11-25 18:26:18,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:18,531 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:18,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:26:18,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-11-25 18:26:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-11-25 18:26:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-11-25 18:26:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-11-25 18:26:18,782 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-11-25 18:26:18,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:18,782 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-11-25 18:26:18,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-11-25 18:26:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 18:26:18,784 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:18,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:18,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:18,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:18,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:18,999 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-11-25 18:26:19,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:19,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693627296] [2021-11-25 18:26:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:19,002 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:19,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:19,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:19,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 18:26:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:20,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:20,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:21,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:21,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:21,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693627296] [2021-11-25 18:26:21,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693627296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:21,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:21,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:21,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074980777] [2021-11-25 18:26:21,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:21,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:21,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:21,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:21,051 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:21,636 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-11-25 18:26:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:21,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 18:26:21,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:21,681 INFO L225 Difference]: With dead ends: 7371 [2021-11-25 18:26:21,681 INFO L226 Difference]: Without dead ends: 4889 [2021-11-25 18:26:21,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:21,701 INFO L933 BasicCegarLoop]: 4639 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:21,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:26:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-11-25 18:26:22,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-11-25 18:26:22,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:26:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-11-25 18:26:22,157 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-11-25 18:26:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:22,157 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-11-25 18:26:22,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-11-25 18:26:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 18:26:22,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:22,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:22,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:22,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:22,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:22,374 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-11-25 18:26:22,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:22,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966234472] [2021-11-25 18:26:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:22,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:22,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:22,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:22,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 18:26:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:24,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:24,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:24,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:24,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:24,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966234472] [2021-11-25 18:26:24,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966234472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:24,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:24,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:24,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210797147] [2021-11-25 18:26:24,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:24,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:24,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:24,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:24,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:24,275 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:24,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:24,637 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-11-25 18:26:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:24,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 18:26:24,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:24,687 INFO L225 Difference]: With dead ends: 4888 [2021-11-25 18:26:24,687 INFO L226 Difference]: Without dead ends: 4885 [2021-11-25 18:26:24,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:24,695 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:24,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:26:24,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-11-25 18:26:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-11-25 18:26:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:26:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-11-25 18:26:25,031 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-11-25 18:26:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:25,032 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-11-25 18:26:25,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-11-25 18:26:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:26:25,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:25,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:25,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:25,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:25,250 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-11-25 18:26:25,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:25,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859047643] [2021-11-25 18:26:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:25,254 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:25,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:25,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:25,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 18:26:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:26,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:26,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:27,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:27,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:27,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859047643] [2021-11-25 18:26:27,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859047643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:27,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:27,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:27,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556523097] [2021-11-25 18:26:27,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:27,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:27,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:27,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:27,109 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:27,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:27,597 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-11-25 18:26:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:27,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-25 18:26:27,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:27,635 INFO L225 Difference]: With dead ends: 4887 [2021-11-25 18:26:27,636 INFO L226 Difference]: Without dead ends: 4884 [2021-11-25 18:26:27,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:27,646 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:27,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:26:27,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-11-25 18:26:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-11-25 18:26:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:26:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-11-25 18:26:27,988 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-11-25 18:26:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:27,988 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-11-25 18:26:27,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-11-25 18:26:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 18:26:27,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:27,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:28,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:28,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:28,206 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:28,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:28,206 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-11-25 18:26:28,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:28,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767380252] [2021-11-25 18:26:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:28,209 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:28,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:28,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 18:26:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:29,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:29,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:30,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:30,132 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:30,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767380252] [2021-11-25 18:26:30,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767380252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:30,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:30,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:30,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328887510] [2021-11-25 18:26:30,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:30,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:30,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:30,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:30,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:30,135 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:30,465 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-11-25 18:26:30,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:30,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-25 18:26:30,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:30,529 INFO L225 Difference]: With dead ends: 4886 [2021-11-25 18:26:30,529 INFO L226 Difference]: Without dead ends: 4877 [2021-11-25 18:26:30,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:30,534 INFO L933 BasicCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:30,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:26:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-11-25 18:26:30,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-11-25 18:26:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:26:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-11-25 18:26:30,864 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-11-25 18:26:30,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:30,864 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-11-25 18:26:30,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:26:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-11-25 18:26:30,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 18:26:30,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:30,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:30,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:31,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:31,102 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-11-25 18:26:31,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:31,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420510009] [2021-11-25 18:26:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:31,105 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:31,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:31,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 18:26:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:32,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:26:32,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:26:33,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:26:33,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 18:26:33,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420510009] [2021-11-25 18:26:33,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420510009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:33,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:33,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:33,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920798696] [2021-11-25 18:26:33,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:33,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:33,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 18:26:33,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:33,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:33,255 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:26:33,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:33,712 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2021-11-25 18:26:33,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:33,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-11-25 18:26:33,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:33,774 INFO L225 Difference]: With dead ends: 9753 [2021-11-25 18:26:33,774 INFO L226 Difference]: Without dead ends: 4879 [2021-11-25 18:26:33,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:33,814 INFO L933 BasicCegarLoop]: 3561 mSDtfsCounter, 0 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:33,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:26:33,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-11-25 18:26:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-11-25 18:26:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3513986013986015) internal successors, (4638), 3542 states have internal predecessors, (4638), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-11-25 18:26:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2021-11-25 18:26:34,134 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2021-11-25 18:26:34,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:34,135 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2021-11-25 18:26:34,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 18:26:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2021-11-25 18:26:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 18:26:34,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:34,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:34,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:34,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:26:34,366 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:34,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:34,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-11-25 18:26:34,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 18:26:34,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939201783] [2021-11-25 18:26:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:34,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 18:26:34,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 18:26:34,371 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 18:26:34,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 18:30:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:30:21,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 18:33:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 18:33:03,004 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-25 18:33:03,004 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 18:33:03,005 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 18:33:03,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-25 18:33:03,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 18:33:03,224 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:03,226 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:33:03,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:33:03 BoogieIcfgContainer [2021-11-25 18:33:03,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:33:03,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:33:03,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:33:03,375 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:33:03,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:26:15" (3/4) ... [2021-11-25 18:33:03,379 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 18:33:03,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:33:03,380 INFO L158 Benchmark]: Toolchain (without parser) took 524093.45ms. Allocated memory was 69.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 43.8MB in the beginning and 507.9MB in the end (delta: -464.1MB). Peak memory consumption was 633.8MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,380 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:33:03,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4969.87ms. Allocated memory was 69.2MB in the beginning and 297.8MB in the end (delta: 228.6MB). Free memory was 43.6MB in the beginning and 166.0MB in the end (delta: -122.4MB). Peak memory consumption was 141.0MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 503.50ms. Allocated memory is still 297.8MB. Free memory was 166.0MB in the beginning and 192.2MB in the end (delta: -26.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,381 INFO L158 Benchmark]: Boogie Preprocessor took 450.47ms. Allocated memory is still 297.8MB. Free memory was 192.2MB in the beginning and 137.7MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,382 INFO L158 Benchmark]: RCFGBuilder took 110251.75ms. Allocated memory was 297.8MB in the beginning and 968.9MB in the end (delta: 671.1MB). Free memory was 137.7MB in the beginning and 667.2MB in the end (delta: -529.5MB). Peak memory consumption was 548.4MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,382 INFO L158 Benchmark]: TraceAbstraction took 407888.83ms. Allocated memory was 968.9MB in the beginning and 1.2GB in the end (delta: 199.2MB). Free memory was 666.2MB in the beginning and 508.9MB in the end (delta: 157.3MB). Peak memory consumption was 357.5MB. Max. memory is 16.1GB. [2021-11-25 18:33:03,383 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 1.2GB. Free memory was 508.9MB in the beginning and 507.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:33:03,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4969.87ms. Allocated memory was 69.2MB in the beginning and 297.8MB in the end (delta: 228.6MB). Free memory was 43.6MB in the beginning and 166.0MB in the end (delta: -122.4MB). Peak memory consumption was 141.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 503.50ms. Allocated memory is still 297.8MB. Free memory was 166.0MB in the beginning and 192.2MB in the end (delta: -26.2MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 450.47ms. Allocated memory is still 297.8MB. Free memory was 192.2MB in the beginning and 137.7MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 110251.75ms. Allocated memory was 297.8MB in the beginning and 968.9MB in the end (delta: 671.1MB). Free memory was 137.7MB in the beginning and 667.2MB in the end (delta: -529.5MB). Peak memory consumption was 548.4MB. Max. memory is 16.1GB. * TraceAbstraction took 407888.83ms. Allocated memory was 968.9MB in the beginning and 1.2GB in the end (delta: 199.2MB). Free memory was 666.2MB in the beginning and 508.9MB in the end (delta: 157.3MB). Peak memory consumption was 357.5MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 1.2GB. Free memory was 508.9MB in the beginning and 507.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=2147483648] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=2147483648] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=2147483648] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->ap_fw=-128, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={-3441876564973715476:1154047954269372416}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={-3441876564973715476:1154047954269372416}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={-3441876564973715476:1154047954269372416}, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->fw_mutex_owner={8079457731502604278:8079457731502604278}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={-3441876564973715476:1154047954269372416}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={-3441876564973715476:1154047954269372416}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->hw_restart_in_progress=12, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-1509:-171}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-1509:-171}, lock={-1509:-171}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2505 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 407.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17851 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17851 mSDsluCounter, 29697 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7182 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 22515 mSDtfsCounter, 27 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4886occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 232.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10417 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-25 18:33:03,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2e6dec-35f5-4113-a179-57e972825f1f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample