./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:51:37,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:51:37,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:51:37,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:51:37,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:51:37,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:51:37,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:51:37,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:51:37,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:51:37,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:51:37,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:51:37,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:51:37,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:51:37,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:51:37,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:51:37,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:51:37,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:51:37,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:51:37,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:51:37,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:51:37,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:51:37,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:51:37,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:51:37,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:51:37,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:51:37,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:51:37,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:51:37,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:51:37,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:51:37,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:51:37,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:51:37,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:51:37,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:51:37,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:51:37,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:51:37,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:51:37,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:51:37,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:51:37,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:51:37,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:51:37,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:51:37,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:51:37,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:51:37,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:51:37,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:51:37,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:51:37,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:51:37,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:51:37,469 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:51:37,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:51:37,469 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:51:37,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:51:37,471 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:51:37,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:51:37,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:51:37,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:51:37,472 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:51:37,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:51:37,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:51:37,473 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:51:37,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:51:37,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:51:37,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:51:37,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:51:37,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:51:37,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:51:37,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:51:37,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:51:37,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:51:37,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:51:37,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:51:37,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:37,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:51:37,488 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:51:37,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:51:37,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:51:37,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:51:37,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:51:37,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:51:37,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:51:37,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-11-03 01:51:37,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:51:37,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:51:37,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:51:37,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:51:37,856 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:51:37,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:51:37,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/b08c21c80/2cc8a29a92284cb58ffada9ce2e1d3fc/FLAG54b966178 [2022-11-03 01:51:38,928 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:51:38,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:51:39,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/b08c21c80/2cc8a29a92284cb58ffada9ce2e1d3fc/FLAG54b966178 [2022-11-03 01:51:39,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/b08c21c80/2cc8a29a92284cb58ffada9ce2e1d3fc [2022-11-03 01:51:39,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:51:39,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:51:39,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:39,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:51:39,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:51:39,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:39" (1/1) ... [2022-11-03 01:51:39,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14eea902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:39, skipping insertion in model container [2022-11-03 01:51:39,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:39" (1/1) ... [2022-11-03 01:51:39,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:51:39,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:51:42,616 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-03 01:51:42,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:51:42,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:51:43,395 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-03 01:51:43,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:51:43,570 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:51:43,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43 WrapperNode [2022-11-03 01:51:43,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:43,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:51:43,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:51:43,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:51:43,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:43,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,033 INFO L138 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7107 [2022-11-03 01:51:44,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:51:44,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:51:44,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:51:44,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:51:44,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:51:44,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:51:44,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:51:44,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:51:44,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (1/1) ... [2022-11-03 01:51:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:44,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:44,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:51:44,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:51:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-03 01:51:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-03 01:51:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-03 01:51:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-03 01:51:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:51:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:51:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 01:51:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 01:51:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:51:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:51:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:51:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:51:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:51:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:51:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:51:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:51:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-11-03 01:51:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-11-03 01:51:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 01:51:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 01:51:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:51:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:51:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-03 01:51:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-03 01:51:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:51:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 01:51:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 01:51:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-03 01:51:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-03 01:51:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-03 01:51:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-03 01:51:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-03 01:51:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-03 01:51:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:51:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:51:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-11-03 01:51:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-11-03 01:51:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:51:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 01:51:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 01:51:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:51:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:51:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-03 01:51:44,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-03 01:51:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-03 01:51:44,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-03 01:51:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-03 01:51:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-03 01:51:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:51:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:51:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:51:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:51:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:51:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:51:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:51:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:51:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-03 01:51:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-03 01:51:44,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:51:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:51:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:51:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-03 01:51:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-03 01:51:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-03 01:51:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-03 01:51:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:51:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:51:44,811 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-03 01:51:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-03 01:51:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-03 01:51:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-03 01:51:44,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:51:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:51:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:51:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:51:44,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 01:51:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 01:51:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-03 01:51:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-03 01:51:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 01:51:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 01:51:44,814 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-03 01:51:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-03 01:51:44,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:51:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 01:51:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 01:51:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:51:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 01:51:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 01:51:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:51:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:51:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:51:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:51:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-03 01:51:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-03 01:51:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-03 01:51:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-03 01:51:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-03 01:51:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-03 01:51:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 01:51:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 01:51:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-03 01:51:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-03 01:51:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:51:44,821 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:51:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-03 01:51:44,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-03 01:51:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-03 01:51:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-03 01:51:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:51:44,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:51:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-03 01:51:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-03 01:51:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:51:44,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:51:44,827 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:51:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:51:44,828 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-03 01:51:44,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-03 01:51:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:51:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:51:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:51:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:51:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:51:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:51:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 01:51:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 01:51:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-03 01:51:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-03 01:51:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-03 01:51:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-03 01:51:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-03 01:51:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-03 01:51:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-03 01:51:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-03 01:51:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-03 01:51:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-03 01:51:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-03 01:51:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-03 01:51:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-03 01:51:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-03 01:51:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:51:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:51:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 01:51:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 01:51:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-03 01:51:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-03 01:51:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:51:44,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:51:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:51:44,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:51:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-03 01:51:44,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-03 01:51:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-03 01:51:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-03 01:51:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-03 01:51:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-03 01:51:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:51:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:51:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:51:44,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:51:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:51:44,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:51:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-03 01:51:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-03 01:51:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-03 01:51:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-03 01:51:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 01:51:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 01:51:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-03 01:51:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-03 01:51:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:51:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:51:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:51:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:51:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:51:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-03 01:51:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-03 01:51:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:51:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-03 01:51:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-03 01:51:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-03 01:51:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-03 01:51:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-03 01:51:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-03 01:51:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-03 01:51:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-03 01:51:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-03 01:51:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-03 01:51:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:51:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 01:51:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 01:51:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:51:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:51:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 01:51:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 01:51:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-03 01:51:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-03 01:51:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 01:51:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 01:51:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-03 01:51:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-03 01:51:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-03 01:51:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-03 01:51:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-03 01:51:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-03 01:51:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-11-03 01:51:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-11-03 01:51:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-03 01:51:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-03 01:51:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:51:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:51:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-03 01:51:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-03 01:51:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-03 01:51:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-03 01:51:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:51:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:51:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-03 01:51:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-03 01:51:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-03 01:51:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-03 01:51:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-03 01:51:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-03 01:51:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-03 01:51:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-03 01:51:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:51:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:51:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 01:51:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 01:51:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:51:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:51:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:51:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-03 01:51:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-03 01:51:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-11-03 01:51:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-11-03 01:51:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-03 01:51:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-03 01:51:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-03 01:51:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-03 01:51:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-03 01:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-03 01:51:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 01:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 01:51:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-03 01:51:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-03 01:51:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-03 01:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-03 01:51:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-03 01:51:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-03 01:51:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-03 01:51:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-03 01:51:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-03 01:51:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-03 01:51:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 01:51:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 01:51:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:51:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:51:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-03 01:51:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-03 01:51:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-03 01:51:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-03 01:51:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-03 01:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-03 01:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 01:51:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 01:51:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:51:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-03 01:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-03 01:51:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-03 01:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-03 01:51:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-03 01:51:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-03 01:51:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 01:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 01:51:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-03 01:51:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-03 01:51:46,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:51:46,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:52:02,178 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:52:06,197 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:52:06,197 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:52:06,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:06 BoogieIcfgContainer [2022-11-03 01:52:06,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:52:06,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:52:06,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:52:06,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:52:06,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:51:39" (1/3) ... [2022-11-03 01:52:06,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ddea4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:06, skipping insertion in model container [2022-11-03 01:52:06,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:43" (2/3) ... [2022-11-03 01:52:06,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ddea4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:06, skipping insertion in model container [2022-11-03 01:52:06,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:06" (3/3) ... [2022-11-03 01:52:06,219 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:52:06,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:52:06,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:52:06,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:52:06,381 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7fd1c2d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:52:06,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:52:06,396 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) [2022-11-03 01:52:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 01:52:06,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:06,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:06,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:06,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:06,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1830431302, now seen corresponding path program 1 times [2022-11-03 01:52:06,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:06,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315005819] [2022-11-03 01:52:06,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:06,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:52:07,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:07,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315005819] [2022-11-03 01:52:07,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315005819] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:07,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:07,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:52:07,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20580090] [2022-11-03 01:52:07,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:07,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:07,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:07,240 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) [2022-11-03 01:52:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:11,423 INFO L93 Difference]: Finished difference Result 3925 states and 5787 transitions. [2022-11-03 01:52:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:11,430 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 [2022-11-03 01:52:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:11,486 INFO L225 Difference]: With dead ends: 3925 [2022-11-03 01:52:11,491 INFO L226 Difference]: Without dead ends: 1947 [2022-11-03 01:52:11,517 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:52:11,523 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 2833 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:11,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 2589 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 01:52:11,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2022-11-03 01:52:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2022-11-03 01:52:11,789 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) [2022-11-03 01:52:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2809 transitions. [2022-11-03 01:52:11,817 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2809 transitions. Word has length 7 [2022-11-03 01:52:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:11,818 INFO L495 AbstractCegarLoop]: Abstraction has 1947 states and 2809 transitions. [2022-11-03 01:52:11,819 INFO L496 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) [2022-11-03 01:52:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2809 transitions. [2022-11-03 01:52:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 01:52:11,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:11,821 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:11,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:52:11,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash 907632847, now seen corresponding path program 1 times [2022-11-03 01:52:11,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:11,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667047021] [2022-11-03 01:52:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:52:12,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:12,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667047021] [2022-11-03 01:52:12,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667047021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:12,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:12,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:52:12,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233808665] [2022-11-03 01:52:12,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:12,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:12,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:12,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:12,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:12,348 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) [2022-11-03 01:52:15,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:18,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:21,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:24,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:25,352 INFO L93 Difference]: Finished difference Result 5775 states and 8677 transitions. [2022-11-03 01:52:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:25,356 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 [2022-11-03 01:52:25,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:25,394 INFO L225 Difference]: With dead ends: 5775 [2022-11-03 01:52:25,394 INFO L226 Difference]: Without dead ends: 3829 [2022-11-03 01:52:25,414 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:52:25,415 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 2816 mSDsluCounter, 2867 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 5903 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:25,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 5903 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 503 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 01:52:25,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2022-11-03 01:52:25,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3823. [2022-11-03 01:52:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2376 states have (on average 1.3228114478114479) internal successors, (3143), 2490 states have internal predecessors, (3143), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1362), 1157 states have call predecessors, (1362), 1182 states have call successors, (1362) [2022-11-03 01:52:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5694 transitions. [2022-11-03 01:52:25,706 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5694 transitions. Word has length 8 [2022-11-03 01:52:25,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:25,706 INFO L495 AbstractCegarLoop]: Abstraction has 3823 states and 5694 transitions. [2022-11-03 01:52:25,706 INFO L496 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) [2022-11-03 01:52:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5694 transitions. [2022-11-03 01:52:25,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:52:25,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:25,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:25,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:52:25,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:25,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1929310615, now seen corresponding path program 1 times [2022-11-03 01:52:25,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:25,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567879749] [2022-11-03 01:52:25,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:25,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:52:26,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:26,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567879749] [2022-11-03 01:52:26,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567879749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:26,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:26,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:52:26,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130502620] [2022-11-03 01:52:26,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:26,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:26,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:26,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:26,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:26,034 INFO L87 Difference]: Start difference. First operand 3823 states and 5694 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) [2022-11-03 01:52:29,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:31,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:31,842 INFO L93 Difference]: Finished difference Result 3825 states and 5695 transitions. [2022-11-03 01:52:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:31,848 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 [2022-11-03 01:52:31,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:31,876 INFO L225 Difference]: With dead ends: 3825 [2022-11-03 01:52:31,877 INFO L226 Difference]: Without dead ends: 3822 [2022-11-03 01:52:31,879 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:52:31,881 INFO L413 NwaCegarLoop]: 2560 mSDtfsCounter, 2801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:31,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 2560 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:52:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2022-11-03 01:52:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2022-11-03 01:52:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2376 states have (on average 1.3223905723905724) internal successors, (3142), 2489 states have internal predecessors, (3142), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1362), 1157 states have call predecessors, (1362), 1182 states have call successors, (1362) [2022-11-03 01:52:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5692 transitions. [2022-11-03 01:52:32,141 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5692 transitions. Word has length 9 [2022-11-03 01:52:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:32,141 INFO L495 AbstractCegarLoop]: Abstraction has 3822 states and 5692 transitions. [2022-11-03 01:52:32,142 INFO L496 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) [2022-11-03 01:52:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5692 transitions. [2022-11-03 01:52:32,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:52:32,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:32,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:32,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:52:32,144 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:32,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:32,144 INFO L85 PathProgramCache]: Analyzing trace with hash 319760146, now seen corresponding path program 1 times [2022-11-03 01:52:32,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:32,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102100564] [2022-11-03 01:52:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:32,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:52:32,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:32,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102100564] [2022-11-03 01:52:32,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102100564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:32,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:32,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:52:32,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683400369] [2022-11-03 01:52:32,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:32,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:32,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:32,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:32,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:32,346 INFO L87 Difference]: Start difference. First operand 3822 states and 5692 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) [2022-11-03 01:52:37,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:37,162 INFO L93 Difference]: Finished difference Result 3824 states and 5693 transitions. [2022-11-03 01:52:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:37,166 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 [2022-11-03 01:52:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:37,197 INFO L225 Difference]: With dead ends: 3824 [2022-11-03 01:52:37,197 INFO L226 Difference]: Without dead ends: 3821 [2022-11-03 01:52:37,201 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:52:37,202 INFO L413 NwaCegarLoop]: 2558 mSDtfsCounter, 2798 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:37,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 2558 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-03 01:52:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2022-11-03 01:52:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3821. [2022-11-03 01:52:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 2376 states have (on average 1.321969696969697) internal successors, (3141), 2488 states have internal predecessors, (3141), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1362), 1157 states have call predecessors, (1362), 1182 states have call successors, (1362) [2022-11-03 01:52:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5690 transitions. [2022-11-03 01:52:37,504 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5690 transitions. Word has length 10 [2022-11-03 01:52:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:37,505 INFO L495 AbstractCegarLoop]: Abstraction has 3821 states and 5690 transitions. [2022-11-03 01:52:37,505 INFO L496 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) [2022-11-03 01:52:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5690 transitions. [2022-11-03 01:52:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:52:37,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:37,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:37,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:52:37,507 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:37,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:37,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1321481868, now seen corresponding path program 1 times [2022-11-03 01:52:37,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:37,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293603894] [2022-11-03 01:52:37,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:37,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:52:37,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:37,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293603894] [2022-11-03 01:52:37,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293603894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:37,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:37,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:52:37,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286761399] [2022-11-03 01:52:37,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:37,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:37,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:37,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:37,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:37,754 INFO L87 Difference]: Start difference. First operand 3821 states and 5690 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) [2022-11-03 01:52:40,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:42,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:42,363 INFO L93 Difference]: Finished difference Result 3823 states and 5691 transitions. [2022-11-03 01:52:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:42,367 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 [2022-11-03 01:52:42,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:42,402 INFO L225 Difference]: With dead ends: 3823 [2022-11-03 01:52:42,402 INFO L226 Difference]: Without dead ends: 3814 [2022-11-03 01:52:42,406 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:52:42,407 INFO L413 NwaCegarLoop]: 2557 mSDtfsCounter, 2795 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:42,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 2557 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 01:52:42,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2022-11-03 01:52:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2022-11-03 01:52:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2370 states have (on average 1.321518987341772) internal successors, (3132), 2481 states have internal predecessors, (3132), 1186 states have call successors, (1186), 259 states have call predecessors, (1186), 257 states have return successors, (1362), 1157 states have call predecessors, (1362), 1182 states have call successors, (1362) [2022-11-03 01:52:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5680 transitions. [2022-11-03 01:52:42,850 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5680 transitions. Word has length 11 [2022-11-03 01:52:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:42,850 INFO L495 AbstractCegarLoop]: Abstraction has 3814 states and 5680 transitions. [2022-11-03 01:52:42,851 INFO L496 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) [2022-11-03 01:52:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5680 transitions. [2022-11-03 01:52:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 01:52:42,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:42,862 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:52:42,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:52:42,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash -393970023, now seen corresponding path program 1 times [2022-11-03 01:52:42,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:42,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925715556] [2022-11-03 01:52:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:42,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:52:43,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:52:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:52:43,556 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:52:43,557 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:52:43,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:52:43,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:52:43,568 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-03 01:52:43,573 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:52:43,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:52:43 BoogieIcfgContainer [2022-11-03 01:52:43,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:52:43,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:52:43,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:52:43,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:52:43,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:06" (3/4) ... [2022-11-03 01:52:43,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:52:43,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:52:43,717 INFO L158 Benchmark]: Toolchain (without parser) took 64445.26ms. Allocated memory was 90.2MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 52.4MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 552.3MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,718 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:52:43,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4298.88ms. Allocated memory was 90.2MB in the beginning and 182.5MB in the end (delta: 92.3MB). Free memory was 52.1MB in the beginning and 101.4MB in the end (delta: -49.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 462.22ms. Allocated memory is still 182.5MB. Free memory was 101.4MB in the beginning and 80.9MB in the end (delta: 20.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,719 INFO L158 Benchmark]: Boogie Preprocessor took 626.42ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 80.9MB in the beginning and 141.7MB in the end (delta: -60.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,720 INFO L158 Benchmark]: RCFGBuilder took 21543.25ms. Allocated memory was 272.6MB in the beginning and 1.1GB in the end (delta: 786.4MB). Free memory was 141.7MB in the beginning and 594.1MB in the end (delta: -452.3MB). Peak memory consumption was 568.2MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,720 INFO L158 Benchmark]: TraceAbstraction took 37498.86ms. Allocated memory was 1.1GB in the beginning and 2.0GB in the end (delta: 937.4MB). Free memory was 593.0MB in the beginning and 1.4GB in the end (delta: -812.4MB). Peak memory consumption was 124.0MB. Max. memory is 16.1GB. [2022-11-03 01:52:43,721 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 2.0GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:52:43,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4298.88ms. Allocated memory was 90.2MB in the beginning and 182.5MB in the end (delta: 92.3MB). Free memory was 52.1MB in the beginning and 101.4MB in the end (delta: -49.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 462.22ms. Allocated memory is still 182.5MB. Free memory was 101.4MB in the beginning and 80.9MB in the end (delta: 20.5MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 626.42ms. Allocated memory was 182.5MB in the beginning and 272.6MB in the end (delta: 90.2MB). Free memory was 80.9MB in the beginning and 141.7MB in the end (delta: -60.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * RCFGBuilder took 21543.25ms. Allocated memory was 272.6MB in the beginning and 1.1GB in the end (delta: 786.4MB). Free memory was 141.7MB in the beginning and 594.1MB in the end (delta: -452.3MB). Peak memory consumption was 568.2MB. Max. memory is 16.1GB. * TraceAbstraction took 37498.86ms. Allocated memory was 1.1GB in the beginning and 2.0GB in the end (delta: 937.4MB). Free memory was 593.0MB in the beginning and 1.4GB in the end (delta: -812.4MB). Peak memory consumption was 124.0MB. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 2.0GB. Free memory is still 1.4GB. 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, 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={5249:5241}, info={5249:5241}, 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={5247:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5247:-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={5247:-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={5247:-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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5249:5241}, info={5249:5241}, 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={5245:5252}, vif={5245:5252}] [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={5247:-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={5247:-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={5247:0}, 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={5247:0}, lock={5247:0}, 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: 37.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 14043 SdHoareTripleChecker+Valid, 30.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14043 mSDsluCounter, 16167 SdHoareTripleChecker+Invalid, 29.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2867 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1491 IncrementalHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 13540 mSDtfsCounter, 1491 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 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=3823occurred 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: 1.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s 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 [2022-11-03 01:52:43,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:52:46,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:52:46,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:52:46,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:52:46,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:52:46,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:52:46,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:52:46,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:52:46,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:52:46,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:52:46,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:52:46,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:52:46,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:52:46,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:52:46,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:52:46,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:52:46,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:52:46,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:52:46,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:52:46,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:52:46,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:52:46,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:52:46,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:52:46,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:52:46,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:52:46,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:52:46,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:52:46,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:52:46,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:52:46,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:52:46,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:52:46,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:52:46,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:52:46,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:52:46,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:52:46,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:52:46,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:52:46,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:52:46,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:52:46,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:52:46,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:52:46,668 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:52:46,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:52:46,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:52:46,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:52:46,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:52:46,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:52:46,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:52:46,736 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:52:46,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:52:46,736 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:52:46,737 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:52:46,740 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:52:46,741 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:52:46,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:52:46,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:52:46,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:52:46,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:52:46,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:52:46,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:52:46,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:52:46,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:52:46,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:52:46,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:52:46,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:52:46,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:52:46,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:52:46,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:52:46,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:46,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:52:46,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:52:46,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:52:46,748 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:52:46,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:52:46,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:52:46,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:52:46,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:52:46,750 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-11-03 01:52:47,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:52:47,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:52:47,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:52:47,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:52:47,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:52:47,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:52:47,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/0ec1550b3/0accd645b8ce42f0929e0463e2b7bd59/FLAG415d08175 [2022-11-03 01:52:48,634 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:52:48,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:52:48,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/0ec1550b3/0accd645b8ce42f0929e0463e2b7bd59/FLAG415d08175 [2022-11-03 01:52:48,800 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/data/0ec1550b3/0accd645b8ce42f0929e0463e2b7bd59 [2022-11-03 01:52:48,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:52:48,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:52:48,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:48,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:52:48,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:52:48,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:48" (1/1) ... [2022-11-03 01:52:48,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d9cf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:48, skipping insertion in model container [2022-11-03 01:52:48,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:48" (1/1) ... [2022-11-03 01:52:48,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:52:49,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:52:53,165 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-03 01:52:53,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:53,381 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 01:52:53,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:52:54,093 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-03 01:52:54,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:54,192 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:52:54,761 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_57b4e1a7-982e-48c3-b9c5-de2ed6534759/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-11-03 01:52:54,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:52:55,007 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:52:55,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55 WrapperNode [2022-11-03 01:52:55,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:55,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:55,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:52:55,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:52:55,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,469 INFO L138 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2022-11-03 01:52:55,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:52:55,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:52:55,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:52:55,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:52:55,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:55,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:56,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:56,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:52:56,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:52:56,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:52:56,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:52:56,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (1/1) ... [2022-11-03 01:52:56,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:56,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:52:56,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:52:56,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:52:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-03 01:52:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-03 01:52:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-03 01:52:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-03 01:52:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:52:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:52:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 01:52:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 01:52:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:52:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:52:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:52:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:52:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:52:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:52:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:52:56,197 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:52:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-11-03 01:52:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-11-03 01:52:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 01:52:56,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 01:52:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:52:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:52:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-03 01:52:56,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-03 01:52:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:52:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 01:52:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 01:52:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-03 01:52:56,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-03 01:52:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-03 01:52:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-03 01:52:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-03 01:52:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-03 01:52:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 01:52:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 01:52:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-11-03 01:52:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-11-03 01:52:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:52:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-03 01:52:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:52:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 01:52:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 01:52:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 01:52:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:52:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:52:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-03 01:52:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-03 01:52:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-03 01:52:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-03 01:52:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-03 01:52:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-03 01:52:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:52:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:52:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:52:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:52:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:52:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:52:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-03 01:52:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-03 01:52:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:52:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:52:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-03 01:52:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-03 01:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-03 01:52:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-03 01:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:52:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-03 01:52:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-03 01:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-03 01:52:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-03 01:52:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:52:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:52:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 01:52:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 01:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-03 01:52:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-03 01:52:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 01:52:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 01:52:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-03 01:52:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-03 01:52:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:52:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 01:52:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 01:52:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:52:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 01:52:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 01:52:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:52:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-03 01:52:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 01:52:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-03 01:52:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-03 01:52:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-03 01:52:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-03 01:52:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 01:52:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 01:52:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-03 01:52:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-03 01:52:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:52:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:52:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-03 01:52:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-03 01:52:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-03 01:52:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-03 01:52:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 01:52:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:52:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:52:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-03 01:52:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-03 01:52:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:52:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:52:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 01:52:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:52:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:52:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-03 01:52:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-03 01:52:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 01:52:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:52:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:52:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 01:52:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:52:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:52:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:52:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:52:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:52:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 01:52:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 01:52:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-03 01:52:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-03 01:52:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-03 01:52:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-03 01:52:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-03 01:52:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-03 01:52:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-03 01:52:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-03 01:52:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-03 01:52:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-03 01:52:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-03 01:52:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-03 01:52:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-03 01:52:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-03 01:52:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:52:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:52:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-03 01:52:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-03 01:52:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-03 01:52:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-03 01:52:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:52:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:52:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:52:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:52:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-03 01:52:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-03 01:52:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-03 01:52:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-03 01:52:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-03 01:52:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-03 01:52:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:52:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:52:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:52:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:52:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:52:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:52:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-03 01:52:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-03 01:52:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-03 01:52:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-03 01:52:56,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 01:52:56,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 01:52:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-03 01:52:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-03 01:52:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:52:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:52:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:52:56,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:52:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:52:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-03 01:52:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-03 01:52:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:52:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-03 01:52:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-03 01:52:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-03 01:52:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-03 01:52:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-03 01:52:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-03 01:52:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-03 01:52:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-03 01:52:56,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 01:52:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 01:52:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 01:52:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-03 01:52:56,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-03 01:52:56,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:52:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:52:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 01:52:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 01:52:56,364 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:52:56,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:52:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 01:52:56,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 01:52:56,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-03 01:52:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-03 01:52:56,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 01:52:56,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 01:52:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-03 01:52:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-03 01:52:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-03 01:52:56,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-03 01:52:56,367 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-03 01:52:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-03 01:52:56,368 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-11-03 01:52:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-11-03 01:52:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-03 01:52:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-03 01:52:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:52:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:52:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-03 01:52:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-03 01:52:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-03 01:52:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-03 01:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 01:52:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 01:52:56,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-03 01:52:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-03 01:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-03 01:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-03 01:52:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-03 01:52:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-03 01:52:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-03 01:52:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-03 01:52:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:52:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:52:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 01:52:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 01:52:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 01:52:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 01:52:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 01:52:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 01:52:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:52:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:52:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-03 01:52:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-03 01:52:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-11-03 01:52:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-11-03 01:52:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-03 01:52:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-03 01:52:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-03 01:52:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-03 01:52:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-03 01:52:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-03 01:52:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 01:52:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 01:52:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-03 01:52:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-03 01:52:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-03 01:52:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-03 01:52:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-03 01:52:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-03 01:52:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-03 01:52:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-03 01:52:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-03 01:52:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-03 01:52:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 01:52:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 01:52:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:52:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:52:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-03 01:52:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-03 01:52:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-03 01:52:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-03 01:52:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:52:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:52:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-03 01:52:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-03 01:52:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 01:52:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 01:52:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-03 01:52:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-03 01:52:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-03 01:52:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-03 01:52:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-03 01:52:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-03 01:52:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 01:52:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 01:52:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-03 01:52:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-03 01:52:57,791 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:52:57,796 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:54:45,792 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:45,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:45,811 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:54:45,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:45 BoogieIcfgContainer [2022-11-03 01:54:45,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:45,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:45,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:45,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:45,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:52:48" (1/3) ... [2022-11-03 01:54:45,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673e7e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:45, skipping insertion in model container [2022-11-03 01:54:45,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:55" (2/3) ... [2022-11-03 01:54:45,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@673e7e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:45, skipping insertion in model container [2022-11-03 01:54:45,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:45" (3/3) ... [2022-11-03 01:54:45,824 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-11-03 01:54:45,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:45,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:45,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:45,932 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68a892c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:45,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:45,944 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) [2022-11-03 01:54:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 01:54:45,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:45,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:45,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:45,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2022-11-03 01:54:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [270274388] [2022-11-03 01:54:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:45,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:45,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:45,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:45,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:54:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:48,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:54:48,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:48,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:48,238 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:48,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [270274388] [2022-11-03 01:54:48,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [270274388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:48,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:48,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884468529] [2022-11-03 01:54:48,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:48,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:48,285 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) [2022-11-03 01:54:48,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:48,795 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2022-11-03 01:54:48,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:48,798 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 [2022-11-03 01:54:48,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:48,838 INFO L225 Difference]: With dead ends: 5004 [2022-11-03 01:54:48,838 INFO L226 Difference]: Without dead ends: 2485 [2022-11-03 01:54:48,861 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:54:48,867 INFO L413 NwaCegarLoop]: 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 [2022-11-03 01:54:48,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-11-03 01:54:49,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2022-11-03 01:54:49,202 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) [2022-11-03 01:54:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2022-11-03 01:54:49,228 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2022-11-03 01:54:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:49,229 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2022-11-03 01:54:49,230 INFO L496 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) [2022-11-03 01:54:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2022-11-03 01:54:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 01:54:49,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:49,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:49,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:49,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:49,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2022-11-03 01:54:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:49,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72269081] [2022-11-03 01:54:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:49,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:49,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:54:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:51,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:54:51,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:51,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:51,538 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:51,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72269081] [2022-11-03 01:54:51,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72269081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:51,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:51,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:51,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273012825] [2022-11-03 01:54:51,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:51,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:51,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:51,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:51,541 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) [2022-11-03 01:54:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:52,114 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2022-11-03 01:54:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:52,115 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 [2022-11-03 01:54:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:52,151 INFO L225 Difference]: With dead ends: 7371 [2022-11-03 01:54:52,151 INFO L226 Difference]: Without dead ends: 4889 [2022-11-03 01:54:52,169 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:54:52,171 INFO L413 NwaCegarLoop]: 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:52,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2022-11-03 01:54:52,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2022-11-03 01:54:52,563 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) [2022-11-03 01:54:52,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2022-11-03 01:54:52,600 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2022-11-03 01:54:52,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:52,601 INFO L495 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2022-11-03 01:54:52,601 INFO L496 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) [2022-11-03 01:54:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2022-11-03 01:54:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 01:54:52,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:52,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:52,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:52,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:52,818 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2022-11-03 01:54:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:52,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302672418] [2022-11-03 01:54:52,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:52,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:52,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:54:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:54,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:54:54,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:54,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:54,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:54,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302672418] [2022-11-03 01:54:54,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302672418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:54,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:54,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:54,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483319615] [2022-11-03 01:54:54,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:54,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:54,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:54,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:54,881 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) [2022-11-03 01:54:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:55,351 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2022-11-03 01:54:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:55,352 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 [2022-11-03 01:54:55,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:55,386 INFO L225 Difference]: With dead ends: 4888 [2022-11-03 01:54:55,387 INFO L226 Difference]: Without dead ends: 4885 [2022-11-03 01:54:55,390 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:54:55,393 INFO L413 NwaCegarLoop]: 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 [2022-11-03 01:54:55,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:55,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2022-11-03 01:54:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2022-11-03 01:54:55,705 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) [2022-11-03 01:54:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2022-11-03 01:54:55,736 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2022-11-03 01:54:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:55,736 INFO L495 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2022-11-03 01:54:55,736 INFO L496 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) [2022-11-03 01:54:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2022-11-03 01:54:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:54:55,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:55,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:55,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:55,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:55,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:55,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:55,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2022-11-03 01:54:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1851279123] [2022-11-03 01:54:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:55,963 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:55,965 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:55,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:54:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:57,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:54:57,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:57,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:54:57,947 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:54:57,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1851279123] [2022-11-03 01:54:57,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1851279123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:57,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:57,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165666337] [2022-11-03 01:54:57,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:57,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:57,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:54:57,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:57,950 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) [2022-11-03 01:54:58,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:58,397 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2022-11-03 01:54:58,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:58,398 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 [2022-11-03 01:54:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:58,429 INFO L225 Difference]: With dead ends: 4887 [2022-11-03 01:54:58,429 INFO L226 Difference]: Without dead ends: 4884 [2022-11-03 01:54:58,437 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:54:58,439 INFO L413 NwaCegarLoop]: 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 [2022-11-03 01:54:58,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:58,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2022-11-03 01:54:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2022-11-03 01:54:58,839 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) [2022-11-03 01:54:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2022-11-03 01:54:58,868 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2022-11-03 01:54:58,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:58,869 INFO L495 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2022-11-03 01:54:58,869 INFO L496 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) [2022-11-03 01:54:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2022-11-03 01:54:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-03 01:54:58,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:58,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:58,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:54:59,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:54:59,087 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:59,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2022-11-03 01:54:59,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:54:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661788742] [2022-11-03 01:54:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:59,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:54:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:54:59,090 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:54:59,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:55:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:55:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:01,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:01,080 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:55:01,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661788742] [2022-11-03 01:55:01,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661788742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:01,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:01,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:01,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200932883] [2022-11-03 01:55:01,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:01,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:01,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:55:01,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:01,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:01,082 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) [2022-11-03 01:55:01,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:01,558 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2022-11-03 01:55:01,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:01,581 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 [2022-11-03 01:55:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:01,617 INFO L225 Difference]: With dead ends: 4886 [2022-11-03 01:55:01,618 INFO L226 Difference]: Without dead ends: 4877 [2022-11-03 01:55:01,621 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:55:01,622 INFO L413 NwaCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:01,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:55:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2022-11-03 01:55:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2022-11-03 01:55:02,015 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) [2022-11-03 01:55:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2022-11-03 01:55:02,046 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2022-11-03 01:55:02,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:02,047 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2022-11-03 01:55:02,047 INFO L496 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) [2022-11-03 01:55:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2022-11-03 01:55:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 01:55:02,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:02,055 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:55:02,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:02,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:55:02,270 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:02,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:02,270 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2022-11-03 01:55:02,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:55:02,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129999360] [2022-11-03 01:55:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:02,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:55:02,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:55:02,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:55:02,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 01:55:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:04,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:55:04,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:55:04,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:55:04,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:55:04,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129999360] [2022-11-03 01:55:04,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129999360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:04,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:04,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:55:04,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842037930] [2022-11-03 01:55:04,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:04,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:55:04,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:55:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:55:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:55:04,310 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) [2022-11-03 01:55:04,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:04,854 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2022-11-03 01:55:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:55:04,855 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 [2022-11-03 01:55:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:04,902 INFO L225 Difference]: With dead ends: 9753 [2022-11-03 01:55:04,902 INFO L226 Difference]: Without dead ends: 4879 [2022-11-03 01:55:04,934 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:55:04,937 INFO L413 NwaCegarLoop]: 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 [2022-11-03 01:55:04,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:55:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2022-11-03 01:55:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2022-11-03 01:55:05,382 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) [2022-11-03 01:55:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2022-11-03 01:55:05,407 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2022-11-03 01:55:05,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:05,408 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2022-11-03 01:55:05,408 INFO L496 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) [2022-11-03 01:55:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2022-11-03 01:55:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 01:55:05,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:05,418 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:55:05,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:05,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:55:05,643 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:05,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2022-11-03 01:55:05,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:55:05,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927314098] [2022-11-03 01:55:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:05,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:55:05,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:55:05,646 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:55:05,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 01:56:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:56:44,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:57:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:57:49,503 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 01:57:49,504 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:57:49,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:57:49,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 01:57:49,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:57:49,718 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:49,721 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:57:49,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:57:49 BoogieIcfgContainer [2022-11-03 01:57:49,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:57:49,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:57:49,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:57:49,856 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:57:49,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:45" (3/4) ... [2022-11-03 01:57:49,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:57:49,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:57:49,866 INFO L158 Benchmark]: Toolchain (without parser) took 301058.86ms. Allocated memory was 83.9MB in the beginning and 648.0MB in the end (delta: 564.1MB). Free memory was 53.6MB in the beginning and 257.1MB in the end (delta: -203.4MB). Peak memory consumption was 361.4MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,866 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:57:49,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6199.66ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 53.4MB in the beginning and 85.4MB in the end (delta: -32.0MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 460.01ms. Allocated memory was 201.3MB in the beginning and 362.8MB in the end (delta: 161.5MB). Free memory was 85.4MB in the beginning and 241.5MB in the end (delta: -156.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,868 INFO L158 Benchmark]: Boogie Preprocessor took 611.45ms. Allocated memory is still 362.8MB. Free memory was 241.5MB in the beginning and 184.9MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,868 INFO L158 Benchmark]: RCFGBuilder took 109732.05ms. Allocated memory was 362.8MB in the beginning and 648.0MB in the end (delta: 285.2MB). Free memory was 184.9MB in the beginning and 358.9MB in the end (delta: -174.1MB). Peak memory consumption was 366.0MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,868 INFO L158 Benchmark]: TraceAbstraction took 184037.62ms. Allocated memory is still 648.0MB. Free memory was 358.9MB in the beginning and 257.1MB in the end (delta: 101.9MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2022-11-03 01:57:49,869 INFO L158 Benchmark]: Witness Printer took 9.58ms. Allocated memory is still 648.0MB. Free memory is still 257.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:57:49,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6199.66ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 53.4MB in the beginning and 85.4MB in the end (delta: -32.0MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 460.01ms. Allocated memory was 201.3MB in the beginning and 362.8MB in the end (delta: 161.5MB). Free memory was 85.4MB in the beginning and 241.5MB in the end (delta: -156.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 611.45ms. Allocated memory is still 362.8MB. Free memory was 241.5MB in the beginning and 184.9MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * RCFGBuilder took 109732.05ms. Allocated memory was 362.8MB in the beginning and 648.0MB in the end (delta: 285.2MB). Free memory was 184.9MB in the beginning and 358.9MB in the end (delta: -174.1MB). Peak memory consumption was 366.0MB. Max. memory is 16.1GB. * TraceAbstraction took 184037.62ms. Allocated memory is still 648.0MB. Free memory was 358.9MB in the beginning and 257.1MB in the end (delta: 101.9MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. * Witness Printer took 9.58ms. Allocated memory is still 648.0MB. Free memory is still 257.1MB. 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, 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={-1510:-69}, hw={-1510:-69}, 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={306392110293057536:-306392110293060556}, __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__={306392110293057536:-306392110293060556}, 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()={306392110293057536:-306392110293060556}, hw={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, priv->fw_mutex_owner={-1510:-1510}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={306392110293057536:-306392110293060556}] [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={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={306392110293057536:-306392110293060556}] [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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, 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={-1510:-69}, hw={-1510:-69}, 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={-1510:-1510}, priv->hw_restart_in_progress=-128, 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={-1510:-172}, 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={-1510:-172}, lock={-1510:-172}, 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: 183.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17851 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17851 mSDsluCounter, 29697 SdHoareTripleChecker+Invalid, 0.9s 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: 2.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 104.5s SatisfiabilityAnalysisTime, 1.4s 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 [2022-11-03 01:57:50,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b4e1a7-982e-48c3-b9c5-de2ed6534759/bin/utaipan-7li7fVZpFI/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