./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:14:08,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:14:08,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:14:08,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:14:08,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:14:08,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:14:08,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:14:08,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:14:08,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:14:08,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:14:08,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:14:08,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:14:08,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:14:08,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:14:08,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:14:08,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:14:08,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:14:08,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:14:08,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:14:08,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:14:08,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:14:08,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:14:08,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:14:08,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:14:08,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:14:08,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:14:08,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:14:08,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:14:08,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:14:08,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:14:08,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:14:08,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:14:08,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:14:08,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:14:08,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:14:08,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:14:08,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:14:08,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:14:08,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:14:08,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:14:08,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:14:08,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:14:08,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:14:08,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:14:08,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:14:08,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:14:08,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:14:08,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:14:08,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:14:08,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:14:08,572 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:14:08,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:14:08,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:14:08,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:14:08,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:14:08,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:14:08,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:14:08,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:14:08,576 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:14:08,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:14:08,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:14:08,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:14:08,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:14:08,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:08,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:14:08,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:14:08,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:14:08,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:14:08,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:14:08,581 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:14:08,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:14:08,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:14:08,582 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_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-21 16:14:09,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:14:09,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:14:09,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:14:09,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:14:09,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:14:09,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-21 16:14:12,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:13,406 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:13,407 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-21 16:14:13,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/e31655de1/683a0b3fdadd499eb06202e2fb17d28a/FLAGab32a01f8 [2022-11-21 16:14:13,508 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/e31655de1/683a0b3fdadd499eb06202e2fb17d28a [2022-11-21 16:14:13,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:13,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:13,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:13,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:13,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:13,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:13" (1/1) ... [2022-11-21 16:14:13,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f8477b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:13, skipping insertion in model container [2022-11-21 16:14:13,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:13" (1/1) ... [2022-11-21 16:14:13,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:13,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:15,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-21 16:14:16,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:16,587 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:16,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-21 16:14:17,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:17,244 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:17,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17 WrapperNode [2022-11-21 16:14:17,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:17,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:17,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:17,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:17,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,675 INFO L138 Inliner]: procedures = 239, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5277 [2022-11-21 16:14:17,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:17,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:17,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:17,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:17,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:17,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:18,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:18,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:18,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:18,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:18,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:18,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (1/1) ... [2022-11-21 16:14:18,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:18,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:18,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:18,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-11-21 16:14:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-11-21 16:14:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-11-21 16:14:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-11-21 16:14:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-11-21 16:14:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-11-21 16:14:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-21 16:14:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-21 16:14:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:14:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:14:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:14:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:14:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-21 16:14:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-21 16:14:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-11-21 16:14:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-11-21 16:14:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-11-21 16:14:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-11-21 16:14:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-11-21 16:14:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-11-21 16:14:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:14:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:14:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-21 16:14:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-21 16:14:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-11-21 16:14:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-11-21 16:14:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-11-21 16:14:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-11-21 16:14:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:14:18,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:14:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-21 16:14:18,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-21 16:14:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:14:18,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:14:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:14:18,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:14:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:14:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:14:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:14:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:14:18,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:14:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:14:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-21 16:14:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-21 16:14:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-11-21 16:14:18,235 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-11-21 16:14:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-21 16:14:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-11-21 16:14:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-11-21 16:14:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-11-21 16:14:18,236 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-11-21 16:14:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:14:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:14:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-11-21 16:14:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-11-21 16:14:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-11-21 16:14:18,238 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-11-21 16:14:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-11-21 16:14:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-11-21 16:14:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-21 16:14:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-21 16:14:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-21 16:14:18,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-21 16:14:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 16:14:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 16:14:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-21 16:14:18,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-21 16:14:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 16:14:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 16:14:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-21 16:14:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-21 16:14:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 16:14:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 16:14:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-11-21 16:14:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-11-21 16:14:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-21 16:14:18,244 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-21 16:14:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:14:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:14:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:14:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:14:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-11-21 16:14:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-11-21 16:14:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-11-21 16:14:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-11-21 16:14:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-11-21 16:14:18,247 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-11-21 16:14:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:14:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-11-21 16:14:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-11-21 16:14:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-11-21 16:14:18,249 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-11-21 16:14:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-21 16:14:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-21 16:14:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:14:18,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:14:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-21 16:14:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-21 16:14:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 16:14:18,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 16:14:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-21 16:14:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-21 16:14:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 16:14:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 16:14:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-11-21 16:14:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-11-21 16:14:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-11-21 16:14:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-11-21 16:14:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-21 16:14:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-21 16:14:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:14:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:14:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:14:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:14:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:14:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-11-21 16:14:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-11-21 16:14:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-21 16:14:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-21 16:14:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:14:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-11-21 16:14:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-11-21 16:14:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-21 16:14:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-21 16:14:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-21 16:14:18,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-21 16:14:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:14:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 16:14:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 16:14:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:14:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 16:14:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 16:14:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 16:14:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 16:14:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-21 16:14:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-21 16:14:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 16:14:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 16:14:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-11-21 16:14:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-11-21 16:14:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:14:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:14:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-21 16:14:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-21 16:14:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 16:14:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 16:14:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:14:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-11-21 16:14:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-11-21 16:14:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-21 16:14:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-21 16:14:19,297 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:19,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:19,804 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:14:31,762 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:31,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:31,795 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 16:14:31,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:31 BoogieIcfgContainer [2022-11-21 16:14:31,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:31,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:14:31,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:14:31,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:14:31,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:14:13" (1/3) ... [2022-11-21 16:14:31,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae454b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:31, skipping insertion in model container [2022-11-21 16:14:31,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:17" (2/3) ... [2022-11-21 16:14:31,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ae454b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:31, skipping insertion in model container [2022-11-21 16:14:31,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:31" (3/3) ... [2022-11-21 16:14:31,816 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-21 16:14:31,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:14:31,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:14:31,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:14:31,987 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=PETRI_NET, 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;@28b89d17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:14:31,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:14:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-21 16:14:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-21 16:14:32,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:32,038 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:32,039 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:14:32,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:32,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1133408372, now seen corresponding path program 1 times [2022-11-21 16:14:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:32,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578419021] [2022-11-21 16:14:32,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:32,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:14:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:14:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:14:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:14:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:14:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:14:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:14:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:14:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:14:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:14:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-21 16:14:33,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:14:33,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578419021] [2022-11-21 16:14:33,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578419021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:14:33,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:14:33,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:14:33,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21596732] [2022-11-21 16:14:33,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:14:33,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:14:33,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:14:33,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:14:33,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:14:33,950 INFO L87 Difference]: Start difference. First operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 16:14:46,047 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 [] [2022-11-21 16:14:48,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:14:50,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:14:52,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:14:54,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:14:56,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:14:58,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:00,957 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 [] [2022-11-21 16:15:02,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:15:02,405 INFO L93 Difference]: Finished difference Result 4218 states and 6448 transitions. [2022-11-21 16:15:02,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:15:02,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2022-11-21 16:15:02,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:15:02,455 INFO L225 Difference]: With dead ends: 4218 [2022-11-21 16:15:02,456 INFO L226 Difference]: Without dead ends: 2882 [2022-11-21 16:15:02,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:15:02,479 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 2957 mSDsluCounter, 3185 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 1495 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3210 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1495 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:15:02,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3210 Valid, 5050 Invalid, 4196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1495 Valid, 2693 Invalid, 8 Unknown, 0 Unchecked, 27.7s Time] [2022-11-21 16:15:02,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2022-11-21 16:15:02,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2568. [2022-11-21 16:15:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1868 states have (on average 1.3790149892933619) internal successors, (2576), 1902 states have internal predecessors, (2576), 567 states have call successors, (567), 133 states have call predecessors, (567), 132 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-11-21 16:15:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 3709 transitions. [2022-11-21 16:15:02,799 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 3709 transitions. Word has length 80 [2022-11-21 16:15:02,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:15:02,800 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 3709 transitions. [2022-11-21 16:15:02,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 16:15:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 3709 transitions. [2022-11-21 16:15:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-21 16:15:02,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:15:02,822 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:02,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:15:02,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:15:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1308665666, now seen corresponding path program 1 times [2022-11-21 16:15:02,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:02,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256522283] [2022-11-21 16:15:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:15:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:15:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:15:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:15:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:15:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:15:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:15:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:15:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:15:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:15:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:15:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:15:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-21 16:15:04,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:04,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256522283] [2022-11-21 16:15:04,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256522283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:04,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:04,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:15:04,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080532219] [2022-11-21 16:15:04,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:04,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:15:04,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:04,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:15:04,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:15:04,575 INFO L87 Difference]: Start difference. First operand 2568 states and 3709 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 16:15:19,239 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 [] [2022-11-21 16:15:21,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:23,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:25,296 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 [] [2022-11-21 16:15:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:15:27,443 INFO L93 Difference]: Finished difference Result 8273 states and 12297 transitions. [2022-11-21 16:15:27,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:15:27,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2022-11-21 16:15:27,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:15:27,491 INFO L225 Difference]: With dead ends: 8273 [2022-11-21 16:15:27,491 INFO L226 Difference]: Without dead ends: 5719 [2022-11-21 16:15:27,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:15:27,505 INFO L413 NwaCegarLoop]: 1856 mSDtfsCounter, 3001 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 4395 mSolverCounterSat, 1502 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 7903 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1502 IncrementalHoareTripleChecker+Valid, 4395 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:15:27,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 7903 Invalid, 5901 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1502 Valid, 4395 Invalid, 4 Unknown, 0 Unchecked, 22.1s Time] [2022-11-21 16:15:27,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2022-11-21 16:15:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5129. [2022-11-21 16:15:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 3735 states have (on average 1.3801874163319947) internal successors, (5155), 3805 states have internal predecessors, (5155), 1123 states have call successors, (1123), 265 states have call predecessors, (1123), 270 states have return successors, (1143), 1122 states have call predecessors, (1143), 1122 states have call successors, (1143) [2022-11-21 16:15:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 7421 transitions. [2022-11-21 16:15:27,908 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 7421 transitions. Word has length 96 [2022-11-21 16:15:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:15:27,911 INFO L495 AbstractCegarLoop]: Abstraction has 5129 states and 7421 transitions. [2022-11-21 16:15:27,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 16:15:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 7421 transitions. [2022-11-21 16:15:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-21 16:15:27,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:15:27,936 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:27,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:15:27,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:15:27,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:27,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1031569295, now seen corresponding path program 1 times [2022-11-21 16:15:27,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:27,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388495892] [2022-11-21 16:15:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:27,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:15:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:15:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:15:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:15:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:15:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:15:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:15:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:15:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:15:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:15:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:15:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:15:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:15:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:15:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 16:15:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:15:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 16:15:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-21 16:15:28,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:28,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388495892] [2022-11-21 16:15:28,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388495892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:28,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:28,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:15:28,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511965546] [2022-11-21 16:15:28,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:28,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:15:28,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:28,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:15:28,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:15:28,818 INFO L87 Difference]: Start difference. First operand 5129 states and 7421 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:15:37,634 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 [] [2022-11-21 16:15:39,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:41,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:43,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:47,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:49,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:51,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:15:53,672 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 [] [2022-11-21 16:15:54,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:15:54,659 INFO L93 Difference]: Finished difference Result 13173 states and 19380 transitions. [2022-11-21 16:15:54,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:15:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2022-11-21 16:15:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:15:54,718 INFO L225 Difference]: With dead ends: 13173 [2022-11-21 16:15:54,718 INFO L226 Difference]: Without dead ends: 8068 [2022-11-21 16:15:54,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:15:54,739 INFO L413 NwaCegarLoop]: 1682 mSDtfsCounter, 1976 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 1394 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1394 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:15:54,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 4738 Invalid, 3722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1394 Valid, 2320 Invalid, 8 Unknown, 0 Unchecked, 25.2s Time] [2022-11-21 16:15:54,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2022-11-21 16:15:55,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 7368. [2022-11-21 16:15:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7368 states, 5407 states have (on average 1.3772886998335492) internal successors, (7447), 5493 states have internal predecessors, (7447), 1550 states have call successors, (1550), 397 states have call predecessors, (1550), 410 states have return successors, (1586), 1549 states have call predecessors, (1586), 1549 states have call successors, (1586) [2022-11-21 16:15:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7368 states to 7368 states and 10583 transitions. [2022-11-21 16:15:55,295 INFO L78 Accepts]: Start accepts. Automaton has 7368 states and 10583 transitions. Word has length 144 [2022-11-21 16:15:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:15:55,298 INFO L495 AbstractCegarLoop]: Abstraction has 7368 states and 10583 transitions. [2022-11-21 16:15:55,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:15:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 7368 states and 10583 transitions. [2022-11-21 16:15:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-21 16:15:55,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:15:55,308 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:55,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:15:55,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:15:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1280360539, now seen corresponding path program 1 times [2022-11-21 16:15:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:55,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480140706] [2022-11-21 16:15:55,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:15:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:15:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:15:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:15:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:15:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:15:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:15:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:15:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:15:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:15:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:15:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:15:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:15:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:15:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:15:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:15:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-21 16:15:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-21 16:15:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-21 16:15:56,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:56,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480140706] [2022-11-21 16:15:56,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480140706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:56,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:56,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:15:56,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350624130] [2022-11-21 16:15:56,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:56,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:15:56,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:56,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:15:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:15:56,223 INFO L87 Difference]: Start difference. First operand 7368 states and 10583 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:16:07,726 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 [] [2022-11-21 16:16:09,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:11,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:13,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:15,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:19,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:16:19,247 INFO L93 Difference]: Finished difference Result 19475 states and 28560 transitions. [2022-11-21 16:16:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:16:19,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-11-21 16:16:19,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:16:19,393 INFO L225 Difference]: With dead ends: 19475 [2022-11-21 16:16:19,393 INFO L226 Difference]: Without dead ends: 12142 [2022-11-21 16:16:19,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:16:19,425 INFO L413 NwaCegarLoop]: 2109 mSDtfsCounter, 2447 mSDsluCounter, 4808 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 1425 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 6917 SdHoareTripleChecker+Invalid, 5736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1425 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:16:19,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 6917 Invalid, 5736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1425 Valid, 4306 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2022-11-21 16:16:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12142 states. [2022-11-21 16:16:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12142 to 10770. [2022-11-21 16:16:20,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7866 states have (on average 1.3752860411899313) internal successors, (10818), 8014 states have internal predecessors, (10818), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-11-21 16:16:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15420 transitions. [2022-11-21 16:16:20,324 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15420 transitions. Word has length 156 [2022-11-21 16:16:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:16:20,325 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15420 transitions. [2022-11-21 16:16:20,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 16:16:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15420 transitions. [2022-11-21 16:16:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-21 16:16:20,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:16:20,343 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:20,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:16:20,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:16:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash 415274850, now seen corresponding path program 1 times [2022-11-21 16:16:20,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:20,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997202349] [2022-11-21 16:16:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:16:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:16:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:16:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:16:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:16:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:16:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:16:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:16:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:16:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:16:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:16:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:16:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:16:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:16:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:16:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:16:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:16:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:16:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:16:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-21 16:16:22,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:22,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997202349] [2022-11-21 16:16:22,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997202349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:22,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:22,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:16:22,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993679909] [2022-11-21 16:16:22,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:22,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:16:22,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:22,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:16:22,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:16:22,094 INFO L87 Difference]: Start difference. First operand 10770 states and 15420 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:16:30,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:32,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:34,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:36,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:38,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:16:38,645 INFO L93 Difference]: Finished difference Result 22746 states and 33220 transitions. [2022-11-21 16:16:38,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:16:38,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-11-21 16:16:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:16:38,715 INFO L225 Difference]: With dead ends: 22746 [2022-11-21 16:16:38,715 INFO L226 Difference]: Without dead ends: 12015 [2022-11-21 16:16:38,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:16:38,758 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 914 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 973 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 4646 SdHoareTripleChecker+Invalid, 3045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:16:38,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [961 Valid, 4646 Invalid, 3045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 2068 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-11-21 16:16:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12015 states. [2022-11-21 16:16:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12015 to 10778. [2022-11-21 16:16:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7874 states have (on average 1.3743967487934976) internal successors, (10822), 8022 states have internal predecessors, (10822), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-11-21 16:16:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15424 transitions. [2022-11-21 16:16:39,494 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15424 transitions. Word has length 168 [2022-11-21 16:16:39,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:16:39,496 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15424 transitions. [2022-11-21 16:16:39,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:16:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15424 transitions. [2022-11-21 16:16:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-21 16:16:39,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:16:39,516 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:39,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:16:39,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:16:39,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -970928544, now seen corresponding path program 1 times [2022-11-21 16:16:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:39,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838581527] [2022-11-21 16:16:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:16:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:16:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:16:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:16:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:16:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:16:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:16:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:16:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:16:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:16:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:16:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:16:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:16:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:16:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:16:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:16:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:16:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:16:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:16:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-11-21 16:16:41,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:41,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838581527] [2022-11-21 16:16:41,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838581527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:41,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:41,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:16:41,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148243212] [2022-11-21 16:16:41,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:41,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:16:41,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:41,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:16:41,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:16:41,560 INFO L87 Difference]: Start difference. First operand 10778 states and 15424 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:16:46,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:47,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:52,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:54,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:56,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:16:58,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:01,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:17:01,073 INFO L93 Difference]: Finished difference Result 22682 states and 33128 transitions. [2022-11-21 16:17:01,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:17:01,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-11-21 16:17:01,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:17:01,140 INFO L225 Difference]: With dead ends: 22682 [2022-11-21 16:17:01,140 INFO L226 Difference]: Without dead ends: 11943 [2022-11-21 16:17:01,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:17:01,180 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 883 mSDsluCounter, 5781 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 974 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 7344 SdHoareTripleChecker+Invalid, 4246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:17:01,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 7344 Invalid, 4246 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [974 Valid, 3268 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2022-11-21 16:17:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11943 states. [2022-11-21 16:17:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11943 to 10778. [2022-11-21 16:17:01,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7866 states have (on average 1.372743452834986) internal successors, (10798), 8018 states have internal predecessors, (10798), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-11-21 16:17:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15411 transitions. [2022-11-21 16:17:01,982 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15411 transitions. Word has length 168 [2022-11-21 16:17:01,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:17:01,983 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15411 transitions. [2022-11-21 16:17:01,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-21 16:17:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15411 transitions. [2022-11-21 16:17:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-21 16:17:02,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:17:02,001 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:17:02,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:17:02,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:17:02,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:17:02,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1963341647, now seen corresponding path program 1 times [2022-11-21 16:17:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:17:02,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14611289] [2022-11-21 16:17:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:17:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:17:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:17:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:17:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:17:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:17:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:17:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:17:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:17:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:17:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:17:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:17:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:02,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:17:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:17:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:17:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:17:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:17:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:17:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-21 16:17:03,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:17:03,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14611289] [2022-11-21 16:17:03,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14611289] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:17:03,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380809605] [2022-11-21 16:17:03,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:03,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:17:03,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:17:03,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:17:03,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:17:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:04,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:17:05,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:17:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-21 16:17:05,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:17:05,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380809605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:17:05,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:17:05,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-21 16:17:05,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286914088] [2022-11-21 16:17:05,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:17:05,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:17:05,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:17:05,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:17:05,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:17:05,114 INFO L87 Difference]: Start difference. First operand 10778 states and 15411 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:05,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:17:05,866 INFO L93 Difference]: Finished difference Result 21543 states and 30804 transitions. [2022-11-21 16:17:05,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:17:05,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-11-21 16:17:05,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:17:05,918 INFO L225 Difference]: With dead ends: 21543 [2022-11-21 16:17:05,918 INFO L226 Difference]: Without dead ends: 10794 [2022-11-21 16:17:05,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:17:05,949 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 19 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:17:05,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 7545 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:17:05,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-11-21 16:17:06,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10783. [2022-11-21 16:17:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10783 states, 7871 states have (on average 1.3722525727353576) internal successors, (10801), 8023 states have internal predecessors, (10801), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-11-21 16:17:06,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10783 states to 10783 states and 15414 transitions. [2022-11-21 16:17:06,659 INFO L78 Accepts]: Start accepts. Automaton has 10783 states and 15414 transitions. Word has length 175 [2022-11-21 16:17:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:17:06,660 INFO L495 AbstractCegarLoop]: Abstraction has 10783 states and 15414 transitions. [2022-11-21 16:17:06,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:06,660 INFO L276 IsEmpty]: Start isEmpty. Operand 10783 states and 15414 transitions. [2022-11-21 16:17:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-21 16:17:06,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:17:06,680 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:17:06,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:17:06,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:17:06,908 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:17:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:17:06,909 INFO L85 PathProgramCache]: Analyzing trace with hash -86278417, now seen corresponding path program 1 times [2022-11-21 16:17:06,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:17:06,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754702229] [2022-11-21 16:17:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:17:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:17:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:17:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:17:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:17:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:17:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:17:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:17:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:17:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:17:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:17:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:17:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:17:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:17:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:17:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:17:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:17:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:17:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-21 16:17:08,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:17:08,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754702229] [2022-11-21 16:17:08,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754702229] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:17:08,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137371604] [2022-11-21 16:17:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:17:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:17:08,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:17:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:17:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:09,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:17:09,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:17:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-21 16:17:10,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:17:10,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137371604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:17:10,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:17:10,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-11-21 16:17:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123560258] [2022-11-21 16:17:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:17:10,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:17:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:17:10,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:17:10,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:17:10,167 INFO L87 Difference]: Start difference. First operand 10783 states and 15414 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:17:13,419 INFO L93 Difference]: Finished difference Result 32270 states and 46141 transitions. [2022-11-21 16:17:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:17:13,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-11-21 16:17:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:17:13,567 INFO L225 Difference]: With dead ends: 32270 [2022-11-21 16:17:13,567 INFO L226 Difference]: Without dead ends: 32257 [2022-11-21 16:17:13,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:17:13,586 INFO L413 NwaCegarLoop]: 4018 mSDtfsCounter, 3639 mSDsluCounter, 3145 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7163 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:17:13,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7163 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-21 16:17:13,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32257 states. [2022-11-21 16:17:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32257 to 32211. [2022-11-21 16:17:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32211 states, 23507 states have (on average 1.373505764240439) internal successors, (32287), 23979 states have internal predecessors, (32287), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6805 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-11-21 16:17:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32211 states to 32211 states and 46080 transitions. [2022-11-21 16:17:15,777 INFO L78 Accepts]: Start accepts. Automaton has 32211 states and 46080 transitions. Word has length 175 [2022-11-21 16:17:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:17:15,778 INFO L495 AbstractCegarLoop]: Abstraction has 32211 states and 46080 transitions. [2022-11-21 16:17:15,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32211 states and 46080 transitions. [2022-11-21 16:17:15,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-21 16:17:15,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:17:15,817 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:17:15,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:17:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:17:16,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:17:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:17:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1674626319, now seen corresponding path program 1 times [2022-11-21 16:17:16,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:17:16,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061729104] [2022-11-21 16:17:16,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:16,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:17:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:17:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:17:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:17:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:17:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:17:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:17:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:17:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:17:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:17:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:17:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:17:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:17:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:17:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:17:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:17:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:17:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:17:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:17:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-21 16:17:17,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:17:17,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061729104] [2022-11-21 16:17:17,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061729104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:17:17,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:17:17,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:17:17,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238581417] [2022-11-21 16:17:17,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:17:17,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:17:17,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:17:17,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:17:17,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:17:17,241 INFO L87 Difference]: Start difference. First operand 32211 states and 46080 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 16:17:23,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:26,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:33,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:35,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:37,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:39,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:41,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:43,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:45,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:47,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:49,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:51,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:53,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:55,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:17:59,526 INFO L93 Difference]: Finished difference Result 79512 states and 118469 transitions. [2022-11-21 16:17:59,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:17:59,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 175 [2022-11-21 16:17:59,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:17:59,715 INFO L225 Difference]: With dead ends: 79512 [2022-11-21 16:17:59,715 INFO L226 Difference]: Without dead ends: 47340 [2022-11-21 16:17:59,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:17:59,979 INFO L413 NwaCegarLoop]: 2213 mSDtfsCounter, 2747 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 3547 mSolverCounterSat, 775 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2982 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 3547 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:17:59,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2982 Valid, 7463 Invalid, 4335 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [775 Valid, 3547 Invalid, 13 Unknown, 0 Unchecked, 39.6s Time] [2022-11-21 16:18:00,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47340 states. [2022-11-21 16:18:02,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47340 to 32187. [2022-11-21 16:18:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32187 states, 23483 states have (on average 1.3728654771536857) internal successors, (32239), 23963 states have internal predecessors, (32239), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6797 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-11-21 16:18:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32187 states to 32187 states and 46032 transitions. [2022-11-21 16:18:02,711 INFO L78 Accepts]: Start accepts. Automaton has 32187 states and 46032 transitions. Word has length 175 [2022-11-21 16:18:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:18:02,712 INFO L495 AbstractCegarLoop]: Abstraction has 32187 states and 46032 transitions. [2022-11-21 16:18:02,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 16:18:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32187 states and 46032 transitions. [2022-11-21 16:18:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-21 16:18:02,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:18:02,758 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:18:02,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:18:02,759 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:18:02,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:18:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash -355767504, now seen corresponding path program 1 times [2022-11-21 16:18:02,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:18:02,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964127122] [2022-11-21 16:18:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:18:02,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:18:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:18:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:18:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:18:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:18:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:18:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:18:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:18:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:18:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:18:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:18:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:18:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:18:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:18:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:18:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 16:18:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 16:18:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:18:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:18:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:18:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-21 16:18:03,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:18:03,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964127122] [2022-11-21 16:18:03,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964127122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:18:03,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:18:03,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:18:03,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071231974] [2022-11-21 16:18:03,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:18:03,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:18:03,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:18:03,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:18:03,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:18:03,818 INFO L87 Difference]: Start difference. First operand 32187 states and 46032 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 16:18:08,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:10,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:18,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:20,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:22,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:24,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:29,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:18:29,578 INFO L93 Difference]: Finished difference Result 81827 states and 119197 transitions. [2022-11-21 16:18:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 16:18:29,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 180 [2022-11-21 16:18:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:18:29,828 INFO L225 Difference]: With dead ends: 81827 [2022-11-21 16:18:29,829 INFO L226 Difference]: Without dead ends: 49679 [2022-11-21 16:18:29,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:18:29,906 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 3268 mSDsluCounter, 4227 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 1862 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 6274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1862 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:18:29,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 5927 Invalid, 6274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1862 Valid, 4407 Invalid, 5 Unknown, 0 Unchecked, 23.0s Time] [2022-11-21 16:18:29,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49679 states. [2022-11-21 16:18:32,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49679 to 44011. [2022-11-21 16:18:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44011 states, 32113 states have (on average 1.3672033132999097) internal successors, (43905), 32805 states have internal predecessors, (43905), 9188 states have call successors, (9188), 2558 states have call predecessors, (9188), 2709 states have return successors, (9495), 9217 states have call predecessors, (9495), 9187 states have call successors, (9495) [2022-11-21 16:18:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44011 states to 44011 states and 62588 transitions. [2022-11-21 16:18:32,870 INFO L78 Accepts]: Start accepts. Automaton has 44011 states and 62588 transitions. Word has length 180 [2022-11-21 16:18:32,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:18:32,870 INFO L495 AbstractCegarLoop]: Abstraction has 44011 states and 62588 transitions. [2022-11-21 16:18:32,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-21 16:18:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 44011 states and 62588 transitions. [2022-11-21 16:18:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-21 16:18:32,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:18:32,907 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:18:32,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:18:32,908 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:18:32,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:18:32,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1650290853, now seen corresponding path program 1 times [2022-11-21 16:18:32,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:18:32,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599099588] [2022-11-21 16:18:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:18:32,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:18:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:18:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:18:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:18:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:18:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:18:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:18:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:18:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:18:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:18:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:18:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:18:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:18:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:18:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:18:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:18:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:18:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:18:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:18:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:18:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 16:18:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 16:18:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-21 16:18:33,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:18:33,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599099588] [2022-11-21 16:18:33,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599099588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:18:33,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:18:33,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:18:33,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902695806] [2022-11-21 16:18:33,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:18:33,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:18:33,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:18:33,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:18:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:18:33,627 INFO L87 Difference]: Start difference. First operand 44011 states and 62588 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-21 16:18:38,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:42,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:44,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:46,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:48,865 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 [] [2022-11-21 16:18:51,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:18:51,666 INFO L93 Difference]: Finished difference Result 71072 states and 102421 transitions. [2022-11-21 16:18:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:18:51,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 191 [2022-11-21 16:18:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:18:51,773 INFO L225 Difference]: With dead ends: 71072 [2022-11-21 16:18:51,773 INFO L226 Difference]: Without dead ends: 26960 [2022-11-21 16:18:52,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:18:52,005 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 2700 mSDsluCounter, 2588 mSDsCounter, 0 mSdLazyCounter, 2091 mSolverCounterSat, 1434 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1434 IncrementalHoareTripleChecker+Valid, 2091 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:18:52,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 4431 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1434 Valid, 2091 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-11-21 16:18:52,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26960 states. [2022-11-21 16:18:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26960 to 24321. [2022-11-21 16:18:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24321 states, 17788 states have (on average 1.3642343152687204) internal successors, (24267), 18146 states have internal predecessors, (24267), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-11-21 16:18:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24321 states to 24321 states and 34490 transitions. [2022-11-21 16:18:53,806 INFO L78 Accepts]: Start accepts. Automaton has 24321 states and 34490 transitions. Word has length 191 [2022-11-21 16:18:53,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:18:53,807 INFO L495 AbstractCegarLoop]: Abstraction has 24321 states and 34490 transitions. [2022-11-21 16:18:53,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-21 16:18:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 24321 states and 34490 transitions. [2022-11-21 16:18:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-21 16:18:53,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:18:53,848 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:18:53,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:18:53,849 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:18:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:18:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1824154570, now seen corresponding path program 1 times [2022-11-21 16:18:53,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:18:53,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377066920] [2022-11-21 16:18:53,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:18:53,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:18:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:18:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:18:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:18:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:18:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:18:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:18:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:18:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:18:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:18:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:18:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:18:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:18:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:18:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:18:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:18:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:18:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:18:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:18:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:18:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 16:18:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 16:18:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 16:18:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:18:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-21 16:18:54,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:18:54,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377066920] [2022-11-21 16:18:54,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377066920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:18:54,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:18:54,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:18:54,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839458710] [2022-11-21 16:18:54,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:18:55,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:18:55,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:18:55,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:18:55,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:18:55,001 INFO L87 Difference]: Start difference. First operand 24321 states and 34490 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-21 16:19:03,132 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 [] [2022-11-21 16:19:05,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:07,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:09,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:11,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:13,197 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 [] [2022-11-21 16:19:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:15,955 INFO L93 Difference]: Finished difference Result 26936 states and 39582 transitions. [2022-11-21 16:19:15,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:19:15,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 214 [2022-11-21 16:19:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:16,059 INFO L225 Difference]: With dead ends: 26936 [2022-11-21 16:19:16,059 INFO L226 Difference]: Without dead ends: 26928 [2022-11-21 16:19:16,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:19:16,073 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 404 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 329 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 3305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:16,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 5340 Invalid, 3305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 2970 Invalid, 6 Unknown, 0 Unchecked, 19.6s Time] [2022-11-21 16:19:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26928 states. [2022-11-21 16:19:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26928 to 24322. [2022-11-21 16:19:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24322 states, 17789 states have (on average 1.3642138400134916) internal successors, (24268), 18147 states have internal predecessors, (24268), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-11-21 16:19:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24322 states to 24322 states and 34491 transitions. [2022-11-21 16:19:17,652 INFO L78 Accepts]: Start accepts. Automaton has 24322 states and 34491 transitions. Word has length 214 [2022-11-21 16:19:17,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:17,653 INFO L495 AbstractCegarLoop]: Abstraction has 24322 states and 34491 transitions. [2022-11-21 16:19:17,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-21 16:19:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 24322 states and 34491 transitions. [2022-11-21 16:19:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-21 16:19:17,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:17,688 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:17,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:19:17,689 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:17,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:17,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1606496710, now seen corresponding path program 1 times [2022-11-21 16:19:17,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:17,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925597935] [2022-11-21 16:19:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:19:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:19:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:19:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:19:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:19:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:19:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:19:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:19:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:19:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:19:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:19:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:19:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:19:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:19:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:19:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:19:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 16:19:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 16:19:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 16:19:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:19:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-21 16:19:18,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:18,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925597935] [2022-11-21 16:19:18,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925597935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:19:18,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631160275] [2022-11-21 16:19:18,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:18,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:19:18,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:19:18,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:19:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:19:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:20,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:19:20,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:19:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-21 16:19:20,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:19:20,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631160275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:20,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:19:20,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-21 16:19:20,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725770382] [2022-11-21 16:19:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:20,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:19:20,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:19:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:19:20,463 INFO L87 Difference]: Start difference. First operand 24322 states and 34491 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:19:21,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:21,722 INFO L93 Difference]: Finished difference Result 45602 states and 65001 transitions. [2022-11-21 16:19:21,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:19:21,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-21 16:19:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:21,788 INFO L225 Difference]: With dead ends: 45602 [2022-11-21 16:19:21,789 INFO L226 Difference]: Without dead ends: 21358 [2022-11-21 16:19:21,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:19:21,855 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 1503 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:21,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1521 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:19:21,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21358 states. [2022-11-21 16:19:22,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21358 to 21358. [2022-11-21 16:19:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21358 states, 15719 states have (on average 1.2855143456962912) internal successors, (20207), 15897 states have internal predecessors, (20207), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-21 16:19:22,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21358 states to 21358 states and 28762 transitions. [2022-11-21 16:19:22,856 INFO L78 Accepts]: Start accepts. Automaton has 21358 states and 28762 transitions. Word has length 217 [2022-11-21 16:19:22,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:22,857 INFO L495 AbstractCegarLoop]: Abstraction has 21358 states and 28762 transitions. [2022-11-21 16:19:22,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:19:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21358 states and 28762 transitions. [2022-11-21 16:19:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-21 16:19:22,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:22,888 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:22,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:19:23,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:19:23,104 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:23,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1909518782, now seen corresponding path program 1 times [2022-11-21 16:19:23,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:23,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24086183] [2022-11-21 16:19:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:23,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:19:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:19:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:19:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:19:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:19:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:19:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:19:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:19:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-21 16:19:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 16:19:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:19:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 16:19:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:19:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 16:19:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:19:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:19:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 16:19:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 16:19:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 16:19:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:19:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-21 16:19:24,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24086183] [2022-11-21 16:19:24,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24086183] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:19:24,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855131061] [2022-11-21 16:19:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:24,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:19:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:19:24,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:19:24,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:19:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:25,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:19:25,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:19:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-21 16:19:25,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:19:25,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855131061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:25,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:19:25,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-21 16:19:25,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539936849] [2022-11-21 16:19:25,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:25,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:19:25,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:25,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:19:25,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:19:25,582 INFO L87 Difference]: Start difference. First operand 21358 states and 28762 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:19:26,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:26,632 INFO L93 Difference]: Finished difference Result 42741 states and 57974 transitions. [2022-11-21 16:19:26,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:19:26,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-11-21 16:19:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:26,705 INFO L225 Difference]: With dead ends: 42741 [2022-11-21 16:19:26,705 INFO L226 Difference]: Without dead ends: 21377 [2022-11-21 16:19:26,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:19:26,758 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 2 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4721 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:26,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4721 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:19:26,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21377 states. [2022-11-21 16:19:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21377 to 21377. [2022-11-21 16:19:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21377 states, 15738 states have (on average 1.2851696530690049) internal successors, (20226), 15916 states have internal predecessors, (20226), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-21 16:19:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21377 states to 21377 states and 28781 transitions. [2022-11-21 16:19:27,899 INFO L78 Accepts]: Start accepts. Automaton has 21377 states and 28781 transitions. Word has length 217 [2022-11-21 16:19:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 21377 states and 28781 transitions. [2022-11-21 16:19:27,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:19:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 21377 states and 28781 transitions. [2022-11-21 16:19:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-21 16:19:27,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:27,929 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:27,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:19:28,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:19:28,147 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:28,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:28,147 INFO L85 PathProgramCache]: Analyzing trace with hash 755605214, now seen corresponding path program 1 times [2022-11-21 16:19:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:28,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504846166] [2022-11-21 16:19:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:19:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:19:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:19:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:19:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:19:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:19:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:19:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:19:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:19:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:19:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:19:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 16:19:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:19:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 16:19:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:19:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:19:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 16:19:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:19:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 16:19:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 16:19:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-21 16:19:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:29,256 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-21 16:19:29,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:29,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504846166] [2022-11-21 16:19:29,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504846166] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:19:29,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148492273] [2022-11-21 16:19:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:29,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:19:29,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:19:29,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:19:29,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 16:19:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:30,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 5493 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:19:30,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:19:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-21 16:19:30,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:19:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-21 16:19:30,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148492273] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:19:30,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:19:30,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-11-21 16:19:30,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033287824] [2022-11-21 16:19:30,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:19:30,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 16:19:30,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 16:19:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:19:30,988 INFO L87 Difference]: Start difference. First operand 21377 states and 28781 transitions. Second operand has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-21 16:19:39,667 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 [] [2022-11-21 16:19:41,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:43,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:45,718 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 [] [2022-11-21 16:19:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:48,665 INFO L93 Difference]: Finished difference Result 44943 states and 61990 transitions. [2022-11-21 16:19:48,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-21 16:19:48,666 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 219 [2022-11-21 16:19:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:48,751 INFO L225 Difference]: With dead ends: 44943 [2022-11-21 16:19:48,751 INFO L226 Difference]: Without dead ends: 23560 [2022-11-21 16:19:48,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:19:48,816 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 562 mSDsluCounter, 5989 mSDsCounter, 0 mSdLazyCounter, 3434 mSolverCounterSat, 573 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 7295 SdHoareTripleChecker+Invalid, 4011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 3434 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:48,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 7295 Invalid, 4011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [573 Valid, 3434 Invalid, 4 Unknown, 0 Unchecked, 16.0s Time] [2022-11-21 16:19:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23560 states. [2022-11-21 16:19:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23560 to 21551. [2022-11-21 16:19:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21551 states, 15893 states have (on average 1.2859749575284716) internal successors, (20438), 16071 states have internal predecessors, (20438), 4194 states have call successors, (4194), 1382 states have call predecessors, (4194), 1463 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-11-21 16:19:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21551 states to 21551 states and 28993 transitions. [2022-11-21 16:19:50,404 INFO L78 Accepts]: Start accepts. Automaton has 21551 states and 28993 transitions. Word has length 219 [2022-11-21 16:19:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:50,405 INFO L495 AbstractCegarLoop]: Abstraction has 21551 states and 28993 transitions. [2022-11-21 16:19:50,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-21 16:19:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21551 states and 28993 transitions. [2022-11-21 16:19:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-21 16:19:50,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:50,439 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:50,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:19:50,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-21 16:19:50,657 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:50,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1761517156, now seen corresponding path program 1 times [2022-11-21 16:19:50,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:50,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849077512] [2022-11-21 16:19:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:19:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:19:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:19:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:19:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:19:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:19:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:19:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:19:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:19:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:19:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:19:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 16:19:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:19:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:19:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:19:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:19:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:19:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:19:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:19:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 16:19:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-21 16:19:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-11-21 16:19:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:51,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849077512] [2022-11-21 16:19:51,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849077512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:51,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:19:51,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:19:51,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830475092] [2022-11-21 16:19:51,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:51,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:19:51,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:51,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:19:51,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:19:51,353 INFO L87 Difference]: Start difference. First operand 21551 states and 28993 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:19:56,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:01,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:03,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:05,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:07,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:09,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:11,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:14,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:14,146 INFO L93 Difference]: Finished difference Result 42522 states and 58183 transitions. [2022-11-21 16:20:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:20:14,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 223 [2022-11-21 16:20:14,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:14,218 INFO L225 Difference]: With dead ends: 42522 [2022-11-21 16:20:14,218 INFO L226 Difference]: Without dead ends: 21058 [2022-11-21 16:20:14,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:20:14,263 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 763 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 3573 mSolverCounterSat, 612 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 5499 SdHoareTripleChecker+Invalid, 4191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 3573 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:14,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 5499 Invalid, 4191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [612 Valid, 3573 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2022-11-21 16:20:14,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2022-11-21 16:20:15,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 19016. [2022-11-21 16:20:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19016 states, 13982 states have (on average 1.2872979545129453) internal successors, (17999), 14142 states have internal predecessors, (17999), 3732 states have call successors, (3732), 1226 states have call predecessors, (3732), 1301 states have return successors, (3878), 3752 states have call predecessors, (3878), 3731 states have call successors, (3878) [2022-11-21 16:20:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19016 states to 19016 states and 25609 transitions. [2022-11-21 16:20:15,448 INFO L78 Accepts]: Start accepts. Automaton has 19016 states and 25609 transitions. Word has length 223 [2022-11-21 16:20:15,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:15,448 INFO L495 AbstractCegarLoop]: Abstraction has 19016 states and 25609 transitions. [2022-11-21 16:20:15,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 16:20:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19016 states and 25609 transitions. [2022-11-21 16:20:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-21 16:20:15,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:15,481 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:15,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:20:15,481 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:15,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash -272869870, now seen corresponding path program 2 times [2022-11-21 16:20:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:15,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954869822] [2022-11-21 16:20:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:15,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:20:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:20:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:20:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:20:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:20:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:20:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:20:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:20:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:20:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:20:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:20:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:20:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:20:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:20:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:20:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:20:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:20:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:20:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 16:20:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-21 16:20:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 16:20:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 16:20:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:20:16,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:16,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954869822] [2022-11-21 16:20:16,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954869822] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:20:16,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527017031] [2022-11-21 16:20:16,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:20:16,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:20:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:20:16,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:20:16,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 16:20:18,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:20:18,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:20:18,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 4615 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-21 16:20:18,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:20:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-21 16:20:18,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:20:18,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527017031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:18,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:20:18,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-21 16:20:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667902035] [2022-11-21 16:20:18,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:18,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 16:20:18,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:18,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 16:20:18,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:20:18,601 INFO L87 Difference]: Start difference. First operand 19016 states and 25609 transitions. Second operand has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 16:20:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:21,022 INFO L93 Difference]: Finished difference Result 38244 states and 51571 transitions. [2022-11-21 16:20:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 16:20:21,023 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-11-21 16:20:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:21,098 INFO L225 Difference]: With dead ends: 38244 [2022-11-21 16:20:21,098 INFO L226 Difference]: Without dead ends: 19344 [2022-11-21 16:20:21,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2022-11-21 16:20:21,143 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 53 mSDsluCounter, 19165 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 20771 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:21,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 20771 Invalid, 203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:20:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-11-21 16:20:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 18989. [2022-11-21 16:20:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18989 states, 13973 states have (on average 1.2855507049309383) internal successors, (17963), 14115 states have internal predecessors, (17963), 3723 states have call successors, (3723), 1226 states have call predecessors, (3723), 1292 states have return successors, (3842), 3743 states have call predecessors, (3842), 3722 states have call successors, (3842) [2022-11-21 16:20:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18989 states to 18989 states and 25528 transitions. [2022-11-21 16:20:22,560 INFO L78 Accepts]: Start accepts. Automaton has 18989 states and 25528 transitions. Word has length 226 [2022-11-21 16:20:22,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:22,560 INFO L495 AbstractCegarLoop]: Abstraction has 18989 states and 25528 transitions. [2022-11-21 16:20:22,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 16:20:22,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18989 states and 25528 transitions. [2022-11-21 16:20:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-21 16:20:22,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:22,581 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:22,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:20:22,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-21 16:20:22,783 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:22,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:22,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1934991908, now seen corresponding path program 1 times [2022-11-21 16:20:22,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:22,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461151638] [2022-11-21 16:20:22,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:22,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:20:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:20:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:20:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:20:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:20:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:20:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:20:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:20:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:20:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:20:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:20:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:20:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:20:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:20:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:20:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 16:20:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 16:20:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:20:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:20:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:20:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-21 16:20:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:23,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461151638] [2022-11-21 16:20:23,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461151638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:23,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:23,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:20:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589089557] [2022-11-21 16:20:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:23,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:20:23,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:20:23,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:20:23,629 INFO L87 Difference]: Start difference. First operand 18989 states and 25528 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 16:20:31,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:33,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:35,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:37,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:39,697 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 [] [2022-11-21 16:20:42,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:42,671 INFO L93 Difference]: Finished difference Result 44037 states and 61496 transitions. [2022-11-21 16:20:42,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:20:42,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-11-21 16:20:42,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:42,816 INFO L225 Difference]: With dead ends: 44037 [2022-11-21 16:20:42,816 INFO L226 Difference]: Without dead ends: 25164 [2022-11-21 16:20:42,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:20:42,884 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1392 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 2870 mSolverCounterSat, 1164 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 5033 SdHoareTripleChecker+Invalid, 4039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1164 IncrementalHoareTripleChecker+Valid, 2870 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:42,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 5033 Invalid, 4039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1164 Valid, 2870 Invalid, 5 Unknown, 0 Unchecked, 17.3s Time] [2022-11-21 16:20:42,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25164 states. [2022-11-21 16:20:44,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25164 to 19013. [2022-11-21 16:20:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19013 states, 13985 states have (on average 1.285305684662138) internal successors, (17975), 14127 states have internal predecessors, (17975), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-21 16:20:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19013 states to 19013 states and 25564 transitions. [2022-11-21 16:20:44,323 INFO L78 Accepts]: Start accepts. Automaton has 19013 states and 25564 transitions. Word has length 226 [2022-11-21 16:20:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:44,324 INFO L495 AbstractCegarLoop]: Abstraction has 19013 states and 25564 transitions. [2022-11-21 16:20:44,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 16:20:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 19013 states and 25564 transitions. [2022-11-21 16:20:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-21 16:20:44,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:44,344 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:44,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:20:44,345 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -967082905, now seen corresponding path program 1 times [2022-11-21 16:20:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:44,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37820191] [2022-11-21 16:20:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:20:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:20:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:20:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:20:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:20:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:20:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:20:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:20:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:20:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:20:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:20:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:20:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:20:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:20:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:20:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 16:20:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 16:20:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 16:20:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:20:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:44,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:20:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:20:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:45,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:20:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-21 16:20:45,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:45,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37820191] [2022-11-21 16:20:45,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37820191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:45,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:45,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:20:45,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003025107] [2022-11-21 16:20:45,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:45,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:20:45,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:45,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:20:45,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:20:45,065 INFO L87 Difference]: Start difference. First operand 19013 states and 25564 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 16:20:54,707 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 [] [2022-11-21 16:20:56,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:58,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:00,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:02,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:04,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:06,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:08,793 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 [] [2022-11-21 16:21:11,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:21:11,826 INFO L93 Difference]: Finished difference Result 30771 states and 42407 transitions. [2022-11-21 16:21:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:21:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 230 [2022-11-21 16:21:11,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:21:11,909 INFO L225 Difference]: With dead ends: 30771 [2022-11-21 16:21:11,909 INFO L226 Difference]: Without dead ends: 21176 [2022-11-21 16:21:11,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:21:11,938 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 770 mSDsluCounter, 4299 mSDsCounter, 0 mSdLazyCounter, 3520 mSolverCounterSat, 620 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 4148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 3520 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:21:11,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 5477 Invalid, 4148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [620 Valid, 3520 Invalid, 8 Unknown, 0 Unchecked, 25.2s Time] [2022-11-21 16:21:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21176 states. [2022-11-21 16:21:13,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21176 to 19035. [2022-11-21 16:21:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19035 states, 14007 states have (on average 1.2848575712143928) internal successors, (17997), 14149 states have internal predecessors, (17997), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-21 16:21:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19035 states to 19035 states and 25586 transitions. [2022-11-21 16:21:13,223 INFO L78 Accepts]: Start accepts. Automaton has 19035 states and 25586 transitions. Word has length 230 [2022-11-21 16:21:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:21:13,224 INFO L495 AbstractCegarLoop]: Abstraction has 19035 states and 25586 transitions. [2022-11-21 16:21:13,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 16:21:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 19035 states and 25586 transitions. [2022-11-21 16:21:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-21 16:21:13,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:21:13,244 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:21:13,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:21:13,244 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:21:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:21:13,244 INFO L85 PathProgramCache]: Analyzing trace with hash -191080472, now seen corresponding path program 1 times [2022-11-21 16:21:13,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:21:13,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234257946] [2022-11-21 16:21:13,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:21:13,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:21:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:21:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:21:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:21:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:21:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:21:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:21:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:21:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:21:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:21:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:21:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:21:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:21:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:21:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:21:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 16:21:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:21:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 16:21:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 16:21:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-21 16:21:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:21:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:21:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 16:21:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:21:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-21 16:21:14,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:21:14,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234257946] [2022-11-21 16:21:14,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234257946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:21:14,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:21:14,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-21 16:21:14,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801200533] [2022-11-21 16:21:14,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:21:14,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 16:21:14,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:21:14,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 16:21:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-21 16:21:14,976 INFO L87 Difference]: Start difference. First operand 19035 states and 25586 transitions. Second operand has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-21 16:21:30,305 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 [] [2022-11-21 16:21:32,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:34,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:36,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:38,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:40,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:42,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:21:49,534 INFO L93 Difference]: Finished difference Result 40838 states and 55724 transitions. [2022-11-21 16:21:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-21 16:21:49,535 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 232 [2022-11-21 16:21:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:21:49,606 INFO L225 Difference]: With dead ends: 40838 [2022-11-21 16:21:49,606 INFO L226 Difference]: Without dead ends: 19996 [2022-11-21 16:21:49,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2022-11-21 16:21:49,649 INFO L413 NwaCegarLoop]: 1042 mSDtfsCounter, 3634 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 9432 mSolverCounterSat, 2093 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3893 SdHoareTripleChecker+Valid, 7235 SdHoareTripleChecker+Invalid, 11532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2093 IncrementalHoareTripleChecker+Valid, 9432 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:21:49,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3893 Valid, 7235 Invalid, 11532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2093 Valid, 9432 Invalid, 7 Unknown, 0 Unchecked, 32.2s Time] [2022-11-21 16:21:49,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19996 states. [2022-11-21 16:21:51,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19996 to 17416. [2022-11-21 16:21:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17416 states, 12791 states have (on average 1.280587913376593) internal successors, (16380), 12928 states have internal predecessors, (16380), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1206 states have return successors, (3512), 3445 states have call predecessors, (3512), 3417 states have call successors, (3512) [2022-11-21 16:21:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17416 states to 17416 states and 23310 transitions. [2022-11-21 16:21:51,161 INFO L78 Accepts]: Start accepts. Automaton has 17416 states and 23310 transitions. Word has length 232 [2022-11-21 16:21:51,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:21:51,162 INFO L495 AbstractCegarLoop]: Abstraction has 17416 states and 23310 transitions. [2022-11-21 16:21:51,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-21 16:21:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17416 states and 23310 transitions. [2022-11-21 16:21:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-21 16:21:51,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:21:51,183 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:21:51,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:21:51,183 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:21:51,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:21:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1856923674, now seen corresponding path program 1 times [2022-11-21 16:21:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:21:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066670671] [2022-11-21 16:21:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:21:51,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:21:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:21:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:21:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:21:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:21:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:21:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:21:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:21:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:21:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:21:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:21:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:21:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:21:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:21:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:21:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:21:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:21:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:21:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:21:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:21:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:21:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 16:21:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 16:21:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 16:21:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 16:21:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-21 16:21:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-21 16:21:53,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:21:53,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066670671] [2022-11-21 16:21:53,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066670671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:21:53,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:21:53,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:21:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133838544] [2022-11-21 16:21:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:21:53,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:21:53,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:21:53,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:21:53,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:21:53,387 INFO L87 Difference]: Start difference. First operand 17416 states and 23310 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:21:58,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:02,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:04,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:06,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:08,573 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 [] [2022-11-21 16:22:12,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:22:12,584 INFO L93 Difference]: Finished difference Result 42049 states and 58686 transitions. [2022-11-21 16:22:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:22:12,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2022-11-21 16:22:12,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:22:12,663 INFO L225 Difference]: With dead ends: 42049 [2022-11-21 16:22:12,663 INFO L226 Difference]: Without dead ends: 24749 [2022-11-21 16:22:12,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:22:12,693 INFO L413 NwaCegarLoop]: 2017 mSDtfsCounter, 1305 mSDsluCounter, 8754 mSDsCounter, 0 mSdLazyCounter, 3781 mSolverCounterSat, 806 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 10771 SdHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 3781 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:22:12,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 10771 Invalid, 4591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 3781 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2022-11-21 16:22:12,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24749 states. [2022-11-21 16:22:13,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24749 to 17560. [2022-11-21 16:22:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17560 states, 12908 states have (on average 1.278044623489309) internal successors, (16497), 13054 states have internal predecessors, (16497), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:22:13,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17560 states to 17560 states and 23463 transitions. [2022-11-21 16:22:13,823 INFO L78 Accepts]: Start accepts. Automaton has 17560 states and 23463 transitions. Word has length 243 [2022-11-21 16:22:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:22:13,824 INFO L495 AbstractCegarLoop]: Abstraction has 17560 states and 23463 transitions. [2022-11-21 16:22:13,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:22:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17560 states and 23463 transitions. [2022-11-21 16:22:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-21 16:22:13,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:22:13,843 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:22:13,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:22:13,843 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:22:13,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:22:13,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1551633831, now seen corresponding path program 1 times [2022-11-21 16:22:13,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:22:13,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061955559] [2022-11-21 16:22:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:22:13,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:22:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:22:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:22:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:22:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:22:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:22:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:22:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:22:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:22:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:22:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:22:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:22:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:22:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:22:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:22:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:22:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:22:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:22:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:22:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:22:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:22:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 16:22:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:22:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 16:22:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-21 16:22:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 16:22:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-21 16:22:14,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:22:14,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061955559] [2022-11-21 16:22:14,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061955559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:22:14,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:22:14,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:22:14,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073015369] [2022-11-21 16:22:14,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:22:14,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:22:14,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:22:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:22:14,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:22:14,837 INFO L87 Difference]: Start difference. First operand 17560 states and 23463 transitions. Second operand has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:22:24,331 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 [] [2022-11-21 16:22:26,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:28,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:30,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:32,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:34,400 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 [] [2022-11-21 16:22:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:22:36,315 INFO L93 Difference]: Finished difference Result 37006 states and 50359 transitions. [2022-11-21 16:22:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:22:36,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 244 [2022-11-21 16:22:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:22:36,439 INFO L225 Difference]: With dead ends: 37006 [2022-11-21 16:22:36,439 INFO L226 Difference]: Without dead ends: 19562 [2022-11-21 16:22:36,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:22:36,467 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 349 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 2936 mSolverCounterSat, 276 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 3218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 2936 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:22:36,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 5536 Invalid, 3218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 2936 Invalid, 6 Unknown, 0 Unchecked, 20.1s Time] [2022-11-21 16:22:36,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19562 states. [2022-11-21 16:22:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19562 to 17569. [2022-11-21 16:22:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 12917 states have (on average 1.277850894170473) internal successors, (16506), 13063 states have internal predecessors, (16506), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:22:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 23472 transitions. [2022-11-21 16:22:37,529 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 23472 transitions. Word has length 244 [2022-11-21 16:22:37,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:22:37,529 INFO L495 AbstractCegarLoop]: Abstraction has 17569 states and 23472 transitions. [2022-11-21 16:22:37,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-21 16:22:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 23472 transitions. [2022-11-21 16:22:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-21 16:22:37,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:22:37,549 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:22:37,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:22:37,550 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:22:37,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:22:37,550 INFO L85 PathProgramCache]: Analyzing trace with hash 664410985, now seen corresponding path program 1 times [2022-11-21 16:22:37,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:22:37,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817407008] [2022-11-21 16:22:37,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:22:37,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:22:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:22:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:22:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:22:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:22:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:22:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:22:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:22:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:22:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:22:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:22:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:22:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:22:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:22:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:22:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:22:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:22:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:22:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:22:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:22:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:22:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 16:22:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:22:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 16:22:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-21 16:22:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 16:22:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:22:38,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:22:38,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817407008] [2022-11-21 16:22:38,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817407008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:22:38,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125026195] [2022-11-21 16:22:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:22:38,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:22:38,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:22:38,775 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:22:38,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 16:22:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:40,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 5795 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:22:40,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:22:40,588 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:22:40,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:22:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:22:40,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125026195] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:22:40,818 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:22:40,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2022-11-21 16:22:40,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250384903] [2022-11-21 16:22:40,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:22:40,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 16:22:40,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:22:40,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 16:22:40,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:22:40,820 INFO L87 Difference]: Start difference. First operand 17569 states and 23472 transitions. Second operand has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 16:22:50,676 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 [] [2022-11-21 16:22:52,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:54,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:56,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:58,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:00,754 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 [] [2022-11-21 16:23:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:23:02,972 INFO L93 Difference]: Finished difference Result 19465 states and 26874 transitions. [2022-11-21 16:23:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 16:23:02,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 244 [2022-11-21 16:23:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:23:03,028 INFO L225 Difference]: With dead ends: 19465 [2022-11-21 16:23:03,028 INFO L226 Difference]: Without dead ends: 19457 [2022-11-21 16:23:03,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 532 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:23:03,036 INFO L413 NwaCegarLoop]: 1305 mSDtfsCounter, 355 mSDsluCounter, 5402 mSDsCounter, 0 mSdLazyCounter, 3393 mSolverCounterSat, 285 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 3684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 3393 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:23:03,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 6707 Invalid, 3684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [285 Valid, 3393 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2022-11-21 16:23:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19457 states. [2022-11-21 16:23:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19457 to 17581. [2022-11-21 16:23:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17581 states, 12929 states have (on average 1.2775930079665867) internal successors, (16518), 13075 states have internal predecessors, (16518), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:23:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17581 states to 17581 states and 23484 transitions. [2022-11-21 16:23:04,203 INFO L78 Accepts]: Start accepts. Automaton has 17581 states and 23484 transitions. Word has length 244 [2022-11-21 16:23:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:23:04,204 INFO L495 AbstractCegarLoop]: Abstraction has 17581 states and 23484 transitions. [2022-11-21 16:23:04,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 16:23:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 17581 states and 23484 transitions. [2022-11-21 16:23:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-21 16:23:04,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:23:04,242 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:23:04,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:23:04,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-21 16:23:04,456 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:23:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:04,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1277957655, now seen corresponding path program 2 times [2022-11-21 16:23:04,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:04,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371829636] [2022-11-21 16:23:04,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:23:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:23:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:23:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:23:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:23:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:23:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:23:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:23:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:23:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:23:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:23:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:23:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:23:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:23:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:23:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:23:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:23:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:23:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:23:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:23:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:23:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 16:23:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:23:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 16:23:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-21 16:23:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 16:23:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:23:06,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:06,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371829636] [2022-11-21 16:23:06,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371829636] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:23:06,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275671975] [2022-11-21 16:23:06,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:23:06,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:23:06,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:23:06,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:23:06,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 16:23:14,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 16:23:14,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:23:14,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 5855 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-21 16:23:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:23:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:23:14,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:23:14,911 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-21 16:23:14,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275671975] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:23:14,912 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:23:14,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2022-11-21 16:23:14,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298391538] [2022-11-21 16:23:14,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:23:14,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 16:23:14,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:14,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 16:23:14,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:23:14,917 INFO L87 Difference]: Start difference. First operand 17581 states and 23484 transitions. Second operand has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 16:23:25,923 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 [] [2022-11-21 16:23:27,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:29,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:23:32,525 INFO L93 Difference]: Finished difference Result 19474 states and 26882 transitions. [2022-11-21 16:23:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 16:23:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 256 [2022-11-21 16:23:32,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:23:32,573 INFO L225 Difference]: With dead ends: 19474 [2022-11-21 16:23:32,573 INFO L226 Difference]: Without dead ends: 19466 [2022-11-21 16:23:32,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 552 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-11-21 16:23:32,580 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 557 mSDsluCounter, 9398 mSDsCounter, 0 mSdLazyCounter, 5153 mSolverCounterSat, 545 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 10704 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 5153 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:23:32,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 10704 Invalid, 5700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [545 Valid, 5153 Invalid, 2 Unknown, 0 Unchecked, 16.0s Time] [2022-11-21 16:23:32,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19466 states. [2022-11-21 16:23:33,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19466 to 17590. [2022-11-21 16:23:33,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17590 states, 12938 states have (on average 1.2773999072499613) internal successors, (16527), 13084 states have internal predecessors, (16527), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:23:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17590 states to 17590 states and 23493 transitions. [2022-11-21 16:23:33,744 INFO L78 Accepts]: Start accepts. Automaton has 17590 states and 23493 transitions. Word has length 256 [2022-11-21 16:23:33,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:23:33,744 INFO L495 AbstractCegarLoop]: Abstraction has 17590 states and 23493 transitions. [2022-11-21 16:23:33,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 16:23:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 17590 states and 23493 transitions. [2022-11-21 16:23:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-21 16:23:33,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:23:33,770 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 9, 9, 9, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:23:33,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:23:33,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-21 16:23:33,973 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:23:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:23:33,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1515796583, now seen corresponding path program 3 times [2022-11-21 16:23:33,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:23:33,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703391582] [2022-11-21 16:23:33,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:23:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:23:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:23:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:23:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:23:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:23:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:23:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:23:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:23:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:23:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:23:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:23:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 16:23:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 16:23:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 16:23:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 16:23:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 16:23:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:23:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:23:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:23:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:23:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:23:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:23:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-21 16:23:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:23:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 16:23:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-21 16:23:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-21 16:23:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:23:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-21 16:23:36,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:23:36,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703391582] [2022-11-21 16:23:36,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703391582] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:23:36,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190110677] [2022-11-21 16:23:36,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 16:23:36,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:23:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:23:36,216 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:23:36,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 16:23:57,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-11-21 16:23:57,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:23:57,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 5627 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 16:23:57,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:23:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 145 proven. 3 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-21 16:23:57,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:23:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-21 16:23:57,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190110677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:23:57,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:23:57,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2022-11-21 16:23:57,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385905702] [2022-11-21 16:23:57,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:23:57,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-21 16:23:57,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:23:57,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-21 16:23:57,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-11-21 16:23:57,558 INFO L87 Difference]: Start difference. First operand 17590 states and 23493 transitions. Second operand has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 16:24:07,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:09,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:11,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:13,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:15,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:24:15,765 INFO L93 Difference]: Finished difference Result 37070 states and 50803 transitions. [2022-11-21 16:24:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 16:24:15,766 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 265 [2022-11-21 16:24:15,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:24:15,817 INFO L225 Difference]: With dead ends: 37070 [2022-11-21 16:24:15,817 INFO L226 Difference]: Without dead ends: 19488 [2022-11-21 16:24:15,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2022-11-21 16:24:15,851 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 771 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 851 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 3680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 851 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:24:15,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 6143 Invalid, 3680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [851 Valid, 2825 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-11-21 16:24:15,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19488 states. [2022-11-21 16:24:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19488 to 17612. [2022-11-21 16:24:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17612 states, 12960 states have (on average 1.2753858024691358) internal successors, (16529), 13106 states have internal predecessors, (16529), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:24:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17612 states to 17612 states and 23495 transitions. [2022-11-21 16:24:17,228 INFO L78 Accepts]: Start accepts. Automaton has 17612 states and 23495 transitions. Word has length 265 [2022-11-21 16:24:17,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:24:17,229 INFO L495 AbstractCegarLoop]: Abstraction has 17612 states and 23495 transitions. [2022-11-21 16:24:17,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 16:24:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand 17612 states and 23495 transitions. [2022-11-21 16:24:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-21 16:24:17,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:24:17,255 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:24:17,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:24:17,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-21 16:24:17,456 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:24:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash -87565273, now seen corresponding path program 4 times [2022-11-21 16:24:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:17,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061499846] [2022-11-21 16:24:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:24:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:24:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:24:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:24:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 16:24:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:24:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:24:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:24:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:24:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-21 16:24:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 16:24:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 16:24:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 16:24:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 16:24:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 16:24:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 16:24:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 16:24:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:24:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:24:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:24:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:24:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:24:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:24:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 16:24:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 16:24:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 16:24:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 16:24:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:24:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-21 16:24:20,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:24:20,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061499846] [2022-11-21 16:24:20,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061499846] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:24:20,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056636086] [2022-11-21 16:24:20,463 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 16:24:20,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:24:20,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:24:20,468 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:24:20,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-21 16:24:23,454 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 16:24:23,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:24:23,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 5960 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-21 16:24:23,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:24:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-21 16:24:23,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:24:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-21 16:24:24,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056636086] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:24:24,827 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:24:24,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2022-11-21 16:24:24,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109342622] [2022-11-21 16:24:24,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:24:24,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 16:24:24,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:24:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 16:24:24,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2022-11-21 16:24:24,830 INFO L87 Difference]: Start difference. First operand 17612 states and 23495 transitions. Second operand has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 16:24:43,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:45,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:47,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:49,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:24:53,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:24:53,659 INFO L93 Difference]: Finished difference Result 37603 states and 51810 transitions. [2022-11-21 16:24:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-21 16:24:53,660 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 269 [2022-11-21 16:24:53,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:24:53,713 INFO L225 Difference]: With dead ends: 37603 [2022-11-21 16:24:53,713 INFO L226 Difference]: Without dead ends: 19879 [2022-11-21 16:24:53,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660 [2022-11-21 16:24:53,752 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 851 mSDsluCounter, 11563 mSDsCounter, 0 mSdLazyCounter, 6191 mSolverCounterSat, 923 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 12856 SdHoareTripleChecker+Invalid, 7118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 923 IncrementalHoareTripleChecker+Valid, 6191 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:24:53,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 12856 Invalid, 7118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [923 Valid, 6191 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2022-11-21 16:24:53,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19879 states. [2022-11-21 16:24:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19879 to 17929. [2022-11-21 16:24:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17929 states, 13259 states have (on average 1.2733992005430275) internal successors, (16884), 13405 states have internal predecessors, (16884), 3418 states have call successors, (3418), 1150 states have call predecessors, (3418), 1251 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-21 16:24:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17929 states to 17929 states and 23850 transitions. [2022-11-21 16:24:55,215 INFO L78 Accepts]: Start accepts. Automaton has 17929 states and 23850 transitions. Word has length 269 [2022-11-21 16:24:55,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:24:55,216 INFO L495 AbstractCegarLoop]: Abstraction has 17929 states and 23850 transitions. [2022-11-21 16:24:55,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 16:24:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 17929 states and 23850 transitions. [2022-11-21 16:24:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-21 16:24:55,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:24:55,237 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:24:55,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:24:55,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:24:55,437 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:24:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:24:55,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1477232121, now seen corresponding path program 5 times [2022-11-21 16:24:55,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:24:55,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186560793] [2022-11-21 16:24:55,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:24:55,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:25:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:04,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:25:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:25:07,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:25:07,208 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:25:07,210 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:25:07,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 16:25:07,215 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:25:07,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:25:07,299 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 16:25:07,304 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 16:25:07,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,320 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,321 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,322 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,323 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-21 16:25:07,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:25:07 BoogieIcfgContainer [2022-11-21 16:25:07,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:25:07,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:25:07,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:25:07,706 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:25:07,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:31" (3/4) ... [2022-11-21 16:25:07,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:25:07,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:25:07,710 INFO L158 Benchmark]: Toolchain (without parser) took 654197.04ms. Allocated memory was 146.8MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 88.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2022-11-21 16:25:07,710 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 99.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:07,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3730.87ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 88.4MB in the beginning and 87.3MB in the end (delta: 1.0MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2022-11-21 16:25:07,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 427.30ms. Allocated memory is still 209.7MB. Free memory was 87.3MB in the beginning and 109.4MB in the end (delta: -22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 16:25:07,712 INFO L158 Benchmark]: Boogie Preprocessor took 366.04ms. Allocated memory is still 209.7MB. Free memory was 109.4MB in the beginning and 74.8MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 16:25:07,712 INFO L158 Benchmark]: RCFGBuilder took 13758.23ms. Allocated memory was 209.7MB in the beginning and 329.3MB in the end (delta: 119.5MB). Free memory was 74.8MB in the beginning and 201.0MB in the end (delta: -126.3MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. [2022-11-21 16:25:07,712 INFO L158 Benchmark]: TraceAbstraction took 635899.48ms. Allocated memory was 329.3MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 201.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2022-11-21 16:25:07,712 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 3.7GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:07,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 146.8MB. Free memory was 99.7MB in the beginning and 99.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3730.87ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 88.4MB in the beginning and 87.3MB in the end (delta: 1.0MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 427.30ms. Allocated memory is still 209.7MB. Free memory was 87.3MB in the beginning and 109.4MB in the end (delta: -22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 366.04ms. Allocated memory is still 209.7MB. Free memory was 109.4MB in the beginning and 74.8MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 13758.23ms. Allocated memory was 209.7MB in the beginning and 329.3MB in the end (delta: 119.5MB). Free memory was 74.8MB in the beginning and 201.0MB in the end (delta: -126.3MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. * TraceAbstraction took 635899.48ms. Allocated memory was 329.3MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 201.0MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 3.7GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 7206]: 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 10552. Possible FailurePath: [L7229] int ldv_state_variable_3 ; [L7230] int LDV_IN_INTERRUPT = 1; [L7231] int ldv_state_variable_2 ; [L7232] int ref_cnt ; [L7233] struct usb_interface *at76_driver_group1 ; [L7234] int ldv_state_variable_1 ; [L7235] int usb_counter ; [L7236] struct ieee80211_vif *at76_ops_group1 ; [L7237] int ldv_state_variable_0 ; [L7238] struct ieee80211_hw *at76_ops_group0 ; [L7547] static uint at76_debug = 0U; [L7548] static struct mutex fw_mutex ; [L7549-L7575] static struct fwentry firmwares[9U] = { {"", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3861.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3863.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd-acc.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505a-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505amx-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}}; [L7576-L7738] static struct usb_device_id dev_table[55U] = { {3U, 1003U, 30211U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1643U, 8721U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2148U, 16640U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2875U, 5650U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1008U, 284U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3294U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3420U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1189U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1501U, 65329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 32902U, 512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28944U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1211U, 2329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 2081U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1003U, 30212U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1373U, 40960U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1003U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1690U, 801U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8743U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2148U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8193U, 12800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 5736U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1003U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 22339U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1189U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1286U, 2561U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1665U, 27U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1293U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1976U, 45056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4164U, 32771U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8217U, 12832U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1183U, 50U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 17U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 24U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1501U, 65333U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2106U, 13569U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 3420U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 1003U, 30214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 5UL}, {3U, 1003U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 20U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 19U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 6421U, 8755U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4861U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1962U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 3504U, 4128U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1003U, 30228U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30231U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5776U, 1793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5463U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30229U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 8UL}}; [L7739] struct usb_device_id const __mod_usb__dev_table_device_table ; [L7740] static u8 const hw_rates[4U] = { 130U, 132U, 11U, 22U}; [L7741] static char const * const preambles[3U] = { "long", "short", "auto"}; [L8010] static int tx_activity ; [L8012-L8018] static struct timer_list ledtrig_tx_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & at76_ledtrig_tx_timerfunc, 0UL, -1, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {(struct lock_class_key *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", {0, 0}, "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", 0, 0UL}}; [L8019] static struct led_trigger *ledtrig_tx ; [L10113-L10118] static struct ieee80211_ops const at76_ops = {& at76_mac80211_tx, & at76_mac80211_start, & at76_mac80211_stop, 0, 0, 0, & at76_add_interface, 0, & at76_remove_interface, & at76_config, & at76_bss_info_changed, 0, 0, 0, & at76_configure_filter, 0, & at76_set_key, 0, 0, 0, & at76_hw_scan, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10266-L10269] static struct ieee80211_rate at76_rates[4U] = { {0U, 10U, 0U, (unsigned short)0}, {0U, 20U, 1U, (unsigned short)0}, {0U, 55U, 2U, (unsigned short)0}, {0U, 110U, 3U, (unsigned short)0}}; [L10270-L10284] static struct ieee80211_channel at76_channels[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}}; [L10285-L10301] static struct ieee80211_supported_band at76_supported_band = {(struct ieee80211_channel *)(& at76_channels), (struct ieee80211_rate *)(& at76_rates), 0, 14, 4, {(unsigned short)0, (_Bool)0, (unsigned char)0, (unsigned char)0, {{(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, (unsigned short)0, (unsigned char)0, {(unsigned char)0, (unsigned char)0, (unsigned char)0}}}, {(_Bool)0, 0U, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}}}; [L10539-L10544] static struct usb_driver at76_driver = {"at76c50x-usb", & at76_probe, & at76_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& dev_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L10581] int ldv_retval_0 ; [L10582] int ldv_retval_1 ; [L10585] int ldv_retval_2 ; [L10970] Element set_impl[15] ; [L10971] int last_index = 0; [L11105] Set LDV_SKBS ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10609] struct usb_device_id *ldvarg0 ; [L10610] void *tmp ; [L10611] unsigned long ldvarg1 ; [L10612] unsigned long tmp___0 ; [L10613] unsigned int *ldvarg11 ; [L10614] void *tmp___1 ; [L10615] struct ieee80211_sta *ldvarg7 ; [L10616] void *tmp___2 ; [L10617] struct ieee80211_tx_control *ldvarg3 ; [L10618] void *tmp___3 ; [L10619] unsigned int ldvarg12 ; [L10620] unsigned int tmp___4 ; [L10621] u32 ldvarg5 ; [L10622] u32 tmp___5 ; [L10623] struct ieee80211_bss_conf *ldvarg6 ; [L10624] void *tmp___6 ; [L10625] enum set_key_cmd ldvarg8 ; [L10626] struct cfg80211_scan_request *ldvarg4 ; [L10627] void *tmp___7 ; [L10628] u32 ldvarg13 ; [L10629] u32 tmp___8 ; [L10630] u64 ldvarg10 ; [L10631] struct ieee80211_key_conf *ldvarg9 ; [L10632] void *tmp___9 ; [L10633] struct sk_buff *ldvarg2 ; [L10634] void *tmp___10 ; [L10635] int tmp___11 ; [L10636] int tmp___12 ; [L10637] int tmp___13 ; [L10638] int tmp___14 ; [L10639] int tmp___15 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=32, tmp___0=1, tx_activity=0, usb_counter=0] [L10641] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(32UL)={0:0}, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] tmp = ldv_zalloc(32UL) [L10642] ldvarg0 = (struct usb_device_id *)tmp [L10643] tmp___0 = __VERIFIER_nondet_ulong() [L10644] ldvarg1 = tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=4, tmp___0=1, tx_activity=0, usb_counter=0] [L10645] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(4UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] tmp___1 = ldv_zalloc(4UL) [L10646] ldvarg11 = (unsigned int *)tmp___1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10647] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] tmp___2 = ldv_zalloc(88UL) [L10648] ldvarg7 = (struct ieee80211_sta *)tmp___2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] CALL, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=8, tmp___0=1, tx_activity=0, usb_counter=0] [L10649] RET, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] tmp___3 = ldv_zalloc(8UL) [L10650] ldvarg3 = (struct ieee80211_tx_control *)tmp___3 [L10651] tmp___4 = __VERIFIER_nondet_uint() [L10652] ldvarg12 = tmp___4 [L10653] tmp___5 = __VERIFIER_nondet_u32() [L10654] ldvarg5 = tmp___5 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10655] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] tmp___6 = ldv_zalloc(232UL) [L10656] ldvarg6 = (struct ieee80211_bss_conf *)tmp___6 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10657] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] tmp___7 = ldv_zalloc(88UL) [L10658] ldvarg4 = (struct cfg80211_scan_request *)tmp___7 [L10659] tmp___8 = __VERIFIER_nondet_u32() [L10660] ldvarg13 = tmp___8 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] CALL, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=12, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=12, tmp___0=1, tx_activity=0, usb_counter=0] [L10661] RET, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(12UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] tmp___9 = ldv_zalloc(12UL) [L10662] ldvarg9 = (struct ieee80211_key_conf *)tmp___9 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10663] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] tmp___10 = ldv_zalloc(232UL) [L10664] ldvarg2 = (struct sk_buff *)tmp___10 [L10665] CALL ldv_initialize() [L11124] CALL ldv_set_init(LDV_SKBS) [L10976] set = set_impl [L10977] last_index = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={284:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11124] RET ldv_set_init(LDV_SKBS) [L10665] RET ldv_initialize() [L10666] FCALL memset((void *)(& ldvarg8), 0, 4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg8), 0, 4UL)={594:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10667] FCALL memset((void *)(& ldvarg10), 0, 8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg10), 0, 8UL)={596:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10668] ldv_state_variable_1 = 0 [L10669] ref_cnt = 0 [L10670] ldv_state_variable_0 = 1 [L10671] ldv_state_variable_3 = 0 [L10672] ldv_state_variable_2 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: [L10718] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10719] COND TRUE ldv_state_variable_0 == 1 [L10720] CALL, EXPR at76_mod_init() [L10547] int result ; [L10548] struct lock_class_key __key ; [L10551] FCALL __mutex_init(& fw_mutex, "&fw_mutex", & __key) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10552] CALL, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10950] ldv_func_ret_type ldv_func_res ; [L10951] int tmp ; [L10953] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L11353] return __VERIFIER_nondet_int(); [L10953] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10953] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10954] ldv_func_res = tmp [L10955] ldv_state_variable_1 = 1 [L10956] usb_counter = 0 [L10957] CALL ldv_usb_driver_1() [L10588] void *tmp ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=1560, tmp___0=1, tx_activity=0, usb_counter=0] [L10590] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1560UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] tmp = ldv_zalloc(1560UL) [L10591] at76_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10957] RET ldv_usb_driver_1() [L10958] return (ldv_func_res); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, ldv_func_arg1={283:0}, ldv_func_arg1={283:0}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg3={268:0}, ldv_func_arg3={268:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp=0, tx_activity=0, usb_counter=0] [L10552] RET, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10552] result = ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10553] COND FALSE !(result < 0) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10557] FCALL led_trigger_register_simple("at76_usb-tx", & ledtrig_tx) [L10558] return (result); [L10558] return (result); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10720] RET, EXPR at76_mod_init() [L10720] ldv_retval_1 = at76_mod_init() [L10721] COND TRUE ldv_retval_1 == 0 [L10722] ldv_state_variable_0 = 3 [L10723] ldv_state_variable_2 = 1 [L10724] CALL ldv_initialize_ieee80211_ops_2() [L10597] void *tmp ; [L10598] void *tmp___0 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] CALL, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=144, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=144, tmp___0=1, tx_activity=0, usb_counter=0] [L10600] RET, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(144UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] tmp = ldv_zalloc(144UL) [L10601] at76_ops_group0 = (struct ieee80211_hw *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=280, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=280, tmp___0=1, tx_activity=0, usb_counter=0] [L10602] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(280UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] tmp___0 = ldv_zalloc(280UL) [L10603] at76_ops_group1 = (struct ieee80211_vif *)tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0={0:0}, tx_activity=0, usb_counter=0] [L10724] RET ldv_initialize_ieee80211_ops_2() [L10725] ldv_state_variable_3 = 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10728] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10766] COND TRUE ldv_state_variable_2 == 1 [L10767] CALL, EXPR at76_mac80211_start(at76_ops_group0) [L9718] struct at76_priv *priv ; [L9719] int ret ; [L9721] EXPR hw->priv [L9721] priv = (struct at76_priv *)hw->priv [L9722] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9726] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] CALL, EXPR at76_submit_rx_urb(priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8887] int ret ; [L8888] int size ; [L8889] struct sk_buff *skb ; [L8890] unsigned int tmp ; [L8891] unsigned char *tmp___0 ; [L8893] EXPR priv->rx_skb [L8893] skb = priv->rx_skb [L8894] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, skb={0:0}, tx_activity=0, usb_counter=0] [L8894] COND FALSE !((unsigned long )priv->rx_urb == (unsigned long )((struct urb *)0)) [L8900] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L8901] CALL, EXPR ldv_dev_alloc_skb_12(2364U) [L10934] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11108] void *skb ; [L11109] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND FALSE !(tmp___0 != 0) [L7179] EXPR, FCALL calloc(1UL, size) [L7179] tmp = calloc(1UL, size) [L7180] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7181] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7150] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cond=1, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7181] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7182] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L11111] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={303:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L11112] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L11113] COND FALSE !(! skb) [L11116] CALL ldv_set_add(LDV_SKBS, skb) [L10984] int i ; [L10986] i = 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10987] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10988] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10998] COND TRUE last_index < 15 [L10999] set_impl[last_index] = e [L11000] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11116] RET ldv_set_add(LDV_SKBS, skb) [L11117] return (skb); VAL [\old(last_index)=0, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L10936] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={303:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] tmp = ldv_skb_alloc() [L10937] return (tmp); VAL [\old(last_index)=0, \old(length)=2364, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={303:0}, tx_activity=0, usb_counter=0] [L8901] RET, EXPR ldv_dev_alloc_skb_12(2364U) [L8901] skb = ldv_dev_alloc_skb_12(2364U) [L8902] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L8908] priv->rx_skb = skb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tx_activity=0, usb_counter=0] [L8914] CALL, EXPR skb_tailroom((struct sk_buff const *)skb) [L7132] bool tmp ; [L7134] CALL, EXPR skb_is_nonlinear(skb) [L7118] EXPR skb->data_len [L7118] return ((unsigned int )skb->data_len != 0U); [L7134] RET, EXPR skb_is_nonlinear(skb) [L7134] tmp = skb_is_nonlinear(skb) [L7135] EXPR (int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail) VAL [(int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)=0, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, skb={303:0}, tmp=1, tx_activity=0, usb_counter=0] [L7135] return ((int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)); [L8914] RET, EXPR skb_tailroom((struct sk_buff const *)skb) [L8914] size = skb_tailroom((struct sk_buff const *)skb) [L8915] CALL, EXPR skb_put(skb, (unsigned int )size) [L11316] EXPR arg0->data [L11316] EXPR arg0->tail [L11316] unsigned char *ret_val = arg0->data + arg0->tail; [L11317] EXPR arg0->tail [L11317] arg0->tail += arg1 [L11318] return ret_val; VAL [\old(arg1)=0, \old(last_index)=0, \result={4294967306:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={303:0}, arg0={303:0}, arg1=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, ret_val={4294967306:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8915] RET, EXPR skb_put(skb, (unsigned int )size) [L8915] tmp___0 = skb_put(skb, (unsigned int )size) [L8916] EXPR priv->rx_urb [L8916] EXPR priv->udev [L8916] EXPR priv->rx_pipe VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8916-L8917] CALL usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, complete_fn={-1:1}, context={303:100}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, usb_counter=0] [L7351] urb->dev = dev [L7352] urb->pipe = pipe [L7353] urb->transfer_buffer = transfer_buffer [L7354] urb->transfer_buffer_length = (u32 )buffer_length [L7355] urb->complete = complete_fn [L7356] urb->context = context VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, buffer_length=0, complete_fn={-1:1}, complete_fn={-1:1}, context={303:100}, context={303:100}, dev={4294967308:4294967313}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, pipe=0, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, urb={0:-66}, usb_counter=0] [L8916-L8917] RET usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] CALL, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={0:-66}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11361] return __VERIFIER_nondet_int(); [L8918] RET, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0, usb_submit_urb(priv->rx_urb, 32U)=-1] [L8918] ret = usb_submit_urb(priv->rx_urb, 32U) [L8919] COND TRUE ret < 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8920] COND FALSE !(ret == -19) [L8926] EXPR priv->hw [L8926] (priv->hw)->wiphy [L8932] COND TRUE ret < 0 && ret != -19 [L8933] EXPR priv->hw [L8933] (priv->hw)->wiphy [L8936] return (ret); VAL [\old(last_index)=0, \result=-1, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L9727] RET, EXPR at76_submit_rx_urb(priv) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_submit_rx_urb(priv)=-1, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] ret = at76_submit_rx_urb(priv) [L9728] COND TRUE ret < 0 [L9729] EXPR priv->hw [L9729] (priv->hw)->wiphy [L9737] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9738] return (0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10767] RET, EXPR at76_mac80211_start(at76_ops_group0) [L10767] ldv_retval_2 = at76_mac80211_start(at76_ops_group0) [L10768] COND TRUE ldv_retval_2 == 0 [L10769] ldv_state_variable_2 = 2 [L10770] ref_cnt = ref_cnt + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: [L10776] case 1: [L10788] case 2: [L10800] case 3: [L10812] case 4: [L10824] case 5: [L10836] case 6: [L10848] case 7: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10849] COND TRUE ldv_state_variable_2 == 2 [L10850] CALL at76_mac80211_stop(at76_ops_group0) [L9743] struct at76_priv *priv ; [L9745] EXPR hw->priv [L9745] priv = (struct at76_priv *)hw->priv [L9746] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9750] CALL cancel_delayed_work(& priv->dwork_hw_scan) [L11203] return __VERIFIER_nondet_bool(); [L9750] RET cancel_delayed_work(& priv->dwork_hw_scan) [L9751] CALL cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:683}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9751] RET cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_join_bssid)=4294967309, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9752] CALL cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:531}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9752] RET cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_set_promisc)=4294967303, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9753] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] EXPR (unsigned char *)priv + 1032UL VAL [(unsigned char *)priv + 1032UL=4294967297, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] COND FALSE !((unsigned int )*((unsigned char *)priv + 1032UL) == 0U) [L9759] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10850] RET at76_mac80211_stop(at76_ops_group0) [L10851] ldv_state_variable_2 = 1 [L10852] ref_cnt = ref_cnt - 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10711] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L10712] CALL at76_mod_exit() [L10563] int i ; [L10566] CALL ldv_usb_deregister_15(& at76_driver) [L10964] FCALL usb_deregister(arg) [L10965] ldv_state_variable_1 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg={283:0}, arg={283:0}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10566] RET ldv_usb_deregister_15(& at76_driver) [L10567] i = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=9, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND FALSE !((unsigned int )i <= 8U) [L10577] EXPR \read(*ledtrig_tx) [L10577] FCALL led_trigger_unregister_simple(ledtrig_tx) [L10712] RET at76_mod_exit() [L10713] ldv_state_variable_0 = 2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10893] CALL ldv_check_final_state() [L11175] int tmp___7 ; [L11177] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L11066] return (last_index == 0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11177] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L11177] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L11178] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp___7=0, tx_activity=0, usb_counter=0] [L11180] CALL ldv_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7206] reach_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 69 procedures, 1324 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 635.3s, OverallIterations: 27, TraceHistogramMax: 13, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.7s, AutomataDifference: 504.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 117 mSolverCounterUnknown, 40533 SdHoareTripleChecker+Valid, 456.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37822 mSDsluCounter, 184736 SdHoareTripleChecker+Invalid, 437.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141445 mSDsCounter, 21266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80068 IncrementalHoareTripleChecker+Invalid, 101451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21266 mSolverCounterUnsat, 43291 mSDtfsCounter, 80068 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4921 GetRequests, 4574 SyntacticMatches, 4 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44011occurred in iteration=10, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 33.5s AutomataMinimizationTime, 26 MinimizatonAttempts, 63539 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 47.9s SatisfiabilityAnalysisTime, 33.6s InterpolantComputationTime, 7767 NumberOfCodeBlocks, 7550 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 8708 ConstructedInterpolants, 0 QuantifiedInterpolants, 15303 SizeOfPredicates, 25 NumberOfNonLiveVariables, 54919 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 41 InterpolantComputations, 21 PerfectInterpolantSequences, 12641/12913 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 [2022-11-21 16:25:07,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:25:10,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:25:10,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:25:10,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:25:10,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:25:10,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:25:10,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:25:10,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:25:10,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:25:10,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:25:10,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:25:10,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:25:10,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:25:10,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:25:10,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:25:10,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:25:10,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:25:10,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:25:10,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:25:10,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:25:10,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:25:10,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:25:10,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:25:10,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:25:10,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:25:10,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:25:10,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:25:10,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:25:10,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:25:10,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:25:10,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:25:10,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:25:10,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:25:10,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:25:10,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:25:10,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:25:10,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:25:10,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:25:10,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:25:10,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:25:10,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:25:10,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:25:10,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:25:10,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:25:10,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:25:10,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:25:10,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:25:10,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:25:10,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:25:10,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:25:10,840 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:25:10,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:25:10,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:25:10,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:25:10,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:25:10,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:25:10,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:25:10,842 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:25:10,843 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:25:10,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:25:10,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:25:10,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:25:10,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:25:10,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:25:10,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:25:10,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:25:10,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:25:10,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:25:10,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:25:10,845 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:25:10,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:25:10,846 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:25:10,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:25:10,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:25:10,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:25:10,847 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_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-21 16:25:11,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:25:11,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:25:11,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:25:11,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:25:11,260 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:25:11,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-21 16:25:14,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:25:15,073 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:25:15,074 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-11-21 16:25:15,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/5de4911ef/9f15398a09c8442c9921805df8613cce/FLAG2ee0e061a [2022-11-21 16:25:15,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/bin/uautomizer-vX5HgA9Q3a/data/5de4911ef/9f15398a09c8442c9921805df8613cce [2022-11-21 16:25:15,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:25:15,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:25:15,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:25:15,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:25:15,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:25:15,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:25:15" (1/1) ... [2022-11-21 16:25:15,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4188c918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:25:15, skipping insertion in model container [2022-11-21 16:25:15,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:25:15" (1/1) ... [2022-11-21 16:25:15,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:25:15,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:25:16,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35cfd4e0-491e-4daa-89bb-8896831605f7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-11-21 16:25:17,659 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 16:25:17,667 INFO L158 Benchmark]: Toolchain (without parser) took 2508.26ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 29.2MB in the beginning and 34.1MB in the end (delta: -4.9MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-21 16:25:17,670 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:25:17,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2502.21ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 29.0MB in the beginning and 34.1MB in the end (delta: -5.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-21 16:25:17,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2502.21ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 29.0MB in the beginning and 34.1MB in the end (delta: -5.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major, (int )priv->fw_version.minor, (int )priv->fw_version.patch, (int )priv->fw_version.build) [10348-10349]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& wiphy->fw_version), len, "%d.%d.%d-%d", (int )priv->fw_version.major,