./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/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_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 20:25:10,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:10,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:10,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:10,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:10,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:10,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:10,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:10,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:10,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:10,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:10,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:10,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:10,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:10,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:10,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:10,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:10,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:10,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:10,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:10,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:10,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:10,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:10,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:10,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:10,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:10,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:10,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:10,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:10,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:10,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:10,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:10,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:10,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:10,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:10,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:10,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:10,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:10,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:10,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:10,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:10,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:25:10,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:10,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:10,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:10,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:10,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:25:10,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:25:10,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:10,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:10,848 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:10,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:10,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:10,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:10,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:25:10,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:25:10,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:25:10,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:10,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:10,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:25:10,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:10,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:10,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:25:10,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:10,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:10,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:25:10,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:25:10,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:10,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:25:10,855 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:25:10,855 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:25:10,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:25:10,856 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_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-18 20:25:11,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:11,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:11,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:11,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:11,319 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:11,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 20:25:11,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/6c7371ee6/88561087cc404908976cb69719c5aff9/FLAGa896b6373 [2022-11-18 20:25:12,557 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:12,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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 [2022-11-18 20:25:12,614 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/6c7371ee6/88561087cc404908976cb69719c5aff9/FLAGa896b6373 [2022-11-18 20:25:12,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/6c7371ee6/88561087cc404908976cb69719c5aff9 [2022-11-18 20:25:12,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:12,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:12,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:12,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:12,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:12,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:12" (1/1) ... [2022-11-18 20:25:12,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73213e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:12, skipping insertion in model container [2022-11-18 20:25:12,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:12" (1/1) ... [2022-11-18 20:25:12,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:13,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:14,312 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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] [2022-11-18 20:25:15,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:15,626 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:15,847 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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] [2022-11-18 20:25:16,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:16,285 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:16,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16 WrapperNode [2022-11-18 20:25:16,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:16,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:16,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:16,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:16,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,703 INFO L138 Inliner]: procedures = 239, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5279 [2022-11-18 20:25:16,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:16,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:16,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:16,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:16,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:16,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:17,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:17,049 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:17,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:17,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:17,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:17,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:17,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:17,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (1/1) ... [2022-11-18 20:25:17,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:25:17,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:17,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:17,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-11-18 20:25:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-11-18 20:25:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-11-18 20:25:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-11-18 20:25:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-11-18 20:25:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-11-18 20:25:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 20:25:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 20:25:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:25:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:25:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:25:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:25:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 20:25:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 20:25:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-11-18 20:25:17,219 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-11-18 20:25:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-11-18 20:25:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-11-18 20:25:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-11-18 20:25:17,220 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-11-18 20:25:17,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:25:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:25:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 20:25:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 20:25:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-11-18 20:25:17,221 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-11-18 20:25:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-11-18 20:25:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-11-18 20:25:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:25:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:25:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 20:25:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 20:25:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:25:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:25:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:25:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:25:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:25:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:25:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:25:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:25:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:25:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:25:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 20:25:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 20:25:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-11-18 20:25:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-11-18 20:25:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:25:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-11-18 20:25:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-11-18 20:25:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-11-18 20:25:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-11-18 20:25:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:25:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:25:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-11-18 20:25:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-11-18 20:25:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-11-18 20:25:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-11-18 20:25:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-11-18 20:25:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-11-18 20:25:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:25:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:25:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 20:25:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 20:25:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:25:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:25:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-18 20:25:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-18 20:25:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:25:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:25:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 20:25:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 20:25:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:25:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:25:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-11-18 20:25:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-11-18 20:25:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 20:25:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 20:25:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:25:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:25:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:25:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:25:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-11-18 20:25:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-11-18 20:25:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-11-18 20:25:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-11-18 20:25:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-11-18 20:25:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-11-18 20:25:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:25:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-11-18 20:25:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-11-18 20:25:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-11-18 20:25:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-11-18 20:25:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-18 20:25:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-18 20:25:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:25:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:25:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 20:25:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 20:25:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 20:25:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 20:25:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-18 20:25:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-18 20:25:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 20:25:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 20:25:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-11-18 20:25:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-11-18 20:25:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-11-18 20:25:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-11-18 20:25:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-18 20:25:17,247 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-18 20:25:17,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:25:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:25:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:25:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:25:17,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:25:17,248 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-11-18 20:25:17,249 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-11-18 20:25:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-18 20:25:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-18 20:25:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:25:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-11-18 20:25:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-11-18 20:25:17,255 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:25:17,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:25:17,256 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:25:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:25:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:25:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:25:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:25:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 20:25:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 20:25:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:25:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:25:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 20:25:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 20:25:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:25:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:25:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-11-18 20:25:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-11-18 20:25:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:25:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:25:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:25:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:25:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:25:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:25:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-11-18 20:25:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-11-18 20:25:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:25:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:25:18,249 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:18,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:18,621 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:25:29,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:25:29,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:25:29,637 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:25:29,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:29 BoogieIcfgContainer [2022-11-18 20:25:29,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:25:29,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:25:29,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:25:29,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:25:29,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:25:12" (1/3) ... [2022-11-18 20:25:29,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0de39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:29, skipping insertion in model container [2022-11-18 20:25:29,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:16" (2/3) ... [2022-11-18 20:25:29,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0de39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:25:29, skipping insertion in model container [2022-11-18 20:25:29,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:29" (3/3) ... [2022-11-18 20:25:29,655 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 [2022-11-18 20:25:29,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:25:29,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:25:29,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:25:29,808 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;@32d624ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:25:29,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:25:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 1326 states, 961 states have (on average 1.3881373569198752) internal successors, (1334), 985 states have internal predecessors, (1334), 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) [2022-11-18 20:25:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 20:25:29,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:29,836 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] [2022-11-18 20:25:29,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:25:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:29,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1726198161, now seen corresponding path program 1 times [2022-11-18 20:25:29,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:29,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31538858] [2022-11-18 20:25:29,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:29,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:25:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:25:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:25:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:25:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:25:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:25:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:25:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:25:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:25:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:25:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-18 20:25:31,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:31,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31538858] [2022-11-18 20:25:31,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31538858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:31,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:31,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:31,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929579927] [2022-11-18 20:25:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:31,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:25:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:25:31,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:31,445 INFO L87 Difference]: Start difference. First operand has 1326 states, 961 states have (on average 1.3881373569198752) internal successors, (1334), 985 states have internal predecessors, (1334), 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) [2022-11-18 20:25:42,468 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 [] [2022-11-18 20:25:44,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:46,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:48,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:51,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:53,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:55,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:25:57,302 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 [] [2022-11-18 20:25:58,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:58,651 INFO L93 Difference]: Finished difference Result 4227 states and 6463 transitions. [2022-11-18 20:25:58,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:25:58,654 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 [2022-11-18 20:25:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:25:58,726 INFO L225 Difference]: With dead ends: 4227 [2022-11-18 20:25:58,727 INFO L226 Difference]: Without dead ends: 2888 [2022-11-18 20:25:58,744 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 [2022-11-18 20:25:58,748 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 2965 mSDsluCounter, 3195 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 1494 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 5061 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1494 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:25:58,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 5061 Invalid, 4187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1494 Valid, 2685 Invalid, 8 Unknown, 0 Unchecked, 26.5s Time] [2022-11-18 20:25:58,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2022-11-18 20:25:59,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2574. [2022-11-18 20:25:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 1874 states have (on average 1.3799359658484525) internal successors, (2586), 1908 states have internal predecessors, (2586), 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) [2022-11-18 20:25:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 3719 transitions. [2022-11-18 20:25:59,145 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 3719 transitions. Word has length 80 [2022-11-18 20:25:59,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:25:59,148 INFO L495 AbstractCegarLoop]: Abstraction has 2574 states and 3719 transitions. [2022-11-18 20:25:59,149 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) [2022-11-18 20:25:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 3719 transitions. [2022-11-18 20:25:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 20:25:59,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:25:59,170 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] [2022-11-18 20:25:59,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:25:59,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:25:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1196782691, now seen corresponding path program 1 times [2022-11-18 20:25:59,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:59,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574605551] [2022-11-18 20:25:59,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:59,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:26:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:26:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:26:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:26:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:26:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:26:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:26:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:26:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:26:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:26:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:26:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-18 20:26:00,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:00,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574605551] [2022-11-18 20:26:00,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574605551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:00,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:00,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:26:00,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70817305] [2022-11-18 20:26:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:00,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:26:00,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:00,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:26:00,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:26:00,866 INFO L87 Difference]: Start difference. First operand 2574 states and 3719 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) [2022-11-18 20:26:15,557 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 [] [2022-11-18 20:26:17,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:19,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:21,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:23,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:25,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:27,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:29,751 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 [] [2022-11-18 20:26:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:31,628 INFO L93 Difference]: Finished difference Result 8291 states and 12327 transitions. [2022-11-18 20:26:31,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:26:31,629 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 [2022-11-18 20:26:31,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:31,673 INFO L225 Difference]: With dead ends: 8291 [2022-11-18 20:26:31,674 INFO L226 Difference]: Without dead ends: 5731 [2022-11-18 20:26:31,688 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 [2022-11-18 20:26:31,689 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 2944 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 4548 mSolverCounterSat, 1479 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3203 SdHoareTripleChecker+Valid, 7923 SdHoareTripleChecker+Invalid, 6035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1479 IncrementalHoareTripleChecker+Valid, 4548 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:31,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3203 Valid, 7923 Invalid, 6035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1479 Valid, 4548 Invalid, 8 Unknown, 0 Unchecked, 30.0s Time] [2022-11-18 20:26:31,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2022-11-18 20:26:32,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 5141. [2022-11-18 20:26:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5141 states, 3747 states have (on average 1.3811048839071256) internal successors, (5175), 3817 states have internal predecessors, (5175), 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) [2022-11-18 20:26:32,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 5141 states and 7441 transitions. [2022-11-18 20:26:32,056 INFO L78 Accepts]: Start accepts. Automaton has 5141 states and 7441 transitions. Word has length 96 [2022-11-18 20:26:32,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:32,060 INFO L495 AbstractCegarLoop]: Abstraction has 5141 states and 7441 transitions. [2022-11-18 20:26:32,060 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) [2022-11-18 20:26:32,061 INFO L276 IsEmpty]: Start isEmpty. Operand 5141 states and 7441 transitions. [2022-11-18 20:26:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-18 20:26:32,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:32,086 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] [2022-11-18 20:26:32,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:26:32,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:26:32,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:32,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1061814853, now seen corresponding path program 1 times [2022-11-18 20:26:32,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:32,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149615581] [2022-11-18 20:26:32,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:32,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:26:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:26:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:26:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:26:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:26:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:26:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:26:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:26:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:26:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:26:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:26:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:26:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:26:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:26:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-18 20:26:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:26:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-18 20:26:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-18 20:26:33,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:33,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149615581] [2022-11-18 20:26:33,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149615581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:33,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:33,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:26:33,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039631754] [2022-11-18 20:26:33,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:33,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:26:33,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:33,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:26:33,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:33,079 INFO L87 Difference]: Start difference. First operand 5141 states and 7441 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) [2022-11-18 20:26:35,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:42,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:44,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:46,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:48,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:52,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:54,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:56,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:58,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:26:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:59,522 INFO L93 Difference]: Finished difference Result 13193 states and 19412 transitions. [2022-11-18 20:26:59,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:26:59,523 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 [2022-11-18 20:26:59,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:59,580 INFO L225 Difference]: With dead ends: 13193 [2022-11-18 20:26:59,581 INFO L226 Difference]: Without dead ends: 8076 [2022-11-18 20:26:59,603 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 [2022-11-18 20:26:59,604 INFO L413 NwaCegarLoop]: 1691 mSDtfsCounter, 1941 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1374 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 4767 SdHoareTripleChecker+Invalid, 3795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1374 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:59,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 4767 Invalid, 3795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1374 Valid, 2413 Invalid, 8 Unknown, 0 Unchecked, 25.9s Time] [2022-11-18 20:26:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8076 states. [2022-11-18 20:27:00,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8076 to 7376. [2022-11-18 20:27:00,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7376 states, 5415 states have (on average 1.3774699907663897) internal successors, (7459), 5501 states have internal predecessors, (7459), 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) [2022-11-18 20:27:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7376 states to 7376 states and 10595 transitions. [2022-11-18 20:27:00,068 INFO L78 Accepts]: Start accepts. Automaton has 7376 states and 10595 transitions. Word has length 144 [2022-11-18 20:27:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:00,071 INFO L495 AbstractCegarLoop]: Abstraction has 7376 states and 10595 transitions. [2022-11-18 20:27:00,071 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) [2022-11-18 20:27:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7376 states and 10595 transitions. [2022-11-18 20:27:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-18 20:27:00,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:00,080 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] [2022-11-18 20:27:00,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:27:00,086 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:00,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash -719998037, now seen corresponding path program 1 times [2022-11-18 20:27:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:00,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686420224] [2022-11-18 20:27:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:27:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:27:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:27:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:27:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:27:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:27:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:27:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:27:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:27:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 20:27:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:27:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-18 20:27:00,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:00,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686420224] [2022-11-18 20:27:00,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686420224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:00,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:00,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:00,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104778027] [2022-11-18 20:27:00,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:00,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:27:00,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:27:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:27:00,931 INFO L87 Difference]: Start difference. First operand 7376 states and 10595 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) [2022-11-18 20:27:05,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:11,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:13,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:15,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:18,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:18,674 INFO L93 Difference]: Finished difference Result 19507 states and 28612 transitions. [2022-11-18 20:27:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:27:18,675 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 [2022-11-18 20:27:18,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:18,758 INFO L225 Difference]: With dead ends: 19507 [2022-11-18 20:27:18,758 INFO L226 Difference]: Without dead ends: 12166 [2022-11-18 20:27:18,875 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 [2022-11-18 20:27:18,877 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 2767 mSDsluCounter, 3691 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 1781 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2972 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 5203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:18,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2972 Valid, 5805 Invalid, 5203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1781 Valid, 3419 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2022-11-18 20:27:18,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12166 states. [2022-11-18 20:27:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12166 to 10794. [2022-11-18 20:27:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10794 states, 7890 states have (on average 1.3761723700887198) internal successors, (10858), 8038 states have internal predecessors, (10858), 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) [2022-11-18 20:27:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10794 states to 10794 states and 15460 transitions. [2022-11-18 20:27:19,617 INFO L78 Accepts]: Start accepts. Automaton has 10794 states and 15460 transitions. Word has length 156 [2022-11-18 20:27:19,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:19,618 INFO L495 AbstractCegarLoop]: Abstraction has 10794 states and 15460 transitions. [2022-11-18 20:27:19,619 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) [2022-11-18 20:27:19,620 INFO L276 IsEmpty]: Start isEmpty. Operand 10794 states and 15460 transitions. [2022-11-18 20:27:19,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-18 20:27:19,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:19,638 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] [2022-11-18 20:27:19,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:27:19,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash 46091230, now seen corresponding path program 1 times [2022-11-18 20:27:19,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:19,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618919032] [2022-11-18 20:27:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:27:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:27:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:27:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:27:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:27:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:27:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:27:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:27:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:27:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:27:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:27:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 20:27:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:21,162 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-18 20:27:21,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:21,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618919032] [2022-11-18 20:27:21,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618919032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:21,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:21,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:27:21,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43493403] [2022-11-18 20:27:21,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:21,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:27:21,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:21,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:27:21,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:21,166 INFO L87 Difference]: Start difference. First operand 10794 states and 15460 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) [2022-11-18 20:27:28,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:30,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:32,680 INFO L93 Difference]: Finished difference Result 22794 states and 33300 transitions. [2022-11-18 20:27:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:27:32,681 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 [2022-11-18 20:27:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:32,749 INFO L225 Difference]: With dead ends: 22794 [2022-11-18 20:27:32,750 INFO L226 Difference]: Without dead ends: 12039 [2022-11-18 20:27:32,850 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 [2022-11-18 20:27:32,851 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 674 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 655 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 4680 SdHoareTripleChecker+Invalid, 2705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 655 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:32,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 4680 Invalid, 2705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [655 Valid, 2048 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-11-18 20:27:32,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12039 states. [2022-11-18 20:27:33,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12039 to 10802. [2022-11-18 20:27:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10802 states, 7898 states have (on average 1.3752848822486705) internal successors, (10862), 8046 states have internal predecessors, (10862), 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) [2022-11-18 20:27:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10802 states to 10802 states and 15464 transitions. [2022-11-18 20:27:33,490 INFO L78 Accepts]: Start accepts. Automaton has 10802 states and 15464 transitions. Word has length 168 [2022-11-18 20:27:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:33,492 INFO L495 AbstractCegarLoop]: Abstraction has 10802 states and 15464 transitions. [2022-11-18 20:27:33,492 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) [2022-11-18 20:27:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 10802 states and 15464 transitions. [2022-11-18 20:27:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-18 20:27:33,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:33,510 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] [2022-11-18 20:27:33,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:27:33,510 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:33,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:33,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1340112164, now seen corresponding path program 1 times [2022-11-18 20:27:33,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:33,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373409946] [2022-11-18 20:27:33,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:33,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:27:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:27:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:27:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:27:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:27:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:27:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:27:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:27:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:27:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:27:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:27:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 20:27:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-11-18 20:27:35,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:35,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373409946] [2022-11-18 20:27:35,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373409946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:35,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:35,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:27:35,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779984754] [2022-11-18 20:27:35,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:35,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:27:35,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:35,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:27:35,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:27:35,412 INFO L87 Difference]: Start difference. First operand 10802 states and 15464 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) [2022-11-18 20:27:44,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:46,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:49,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:49,310 INFO L93 Difference]: Finished difference Result 22730 states and 33208 transitions. [2022-11-18 20:27:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:27:49,310 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 [2022-11-18 20:27:49,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:49,373 INFO L225 Difference]: With dead ends: 22730 [2022-11-18 20:27:49,373 INFO L226 Difference]: Without dead ends: 11967 [2022-11-18 20:27:49,406 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 [2022-11-18 20:27:49,407 INFO L413 NwaCegarLoop]: 1566 mSDtfsCounter, 653 mSDsluCounter, 5789 mSDsCounter, 0 mSdLazyCounter, 3236 mSolverCounterSat, 660 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 7355 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 3236 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:49,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 7355 Invalid, 3898 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [660 Valid, 3236 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2022-11-18 20:27:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11967 states. [2022-11-18 20:27:50,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11967 to 10802. [2022-11-18 20:27:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10802 states, 7890 states have (on average 1.373637515842839) internal successors, (10838), 8042 states have internal predecessors, (10838), 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) [2022-11-18 20:27:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10802 states to 10802 states and 15451 transitions. [2022-11-18 20:27:50,143 INFO L78 Accepts]: Start accepts. Automaton has 10802 states and 15451 transitions. Word has length 168 [2022-11-18 20:27:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:50,143 INFO L495 AbstractCegarLoop]: Abstraction has 10802 states and 15451 transitions. [2022-11-18 20:27:50,144 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) [2022-11-18 20:27:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 10802 states and 15451 transitions. [2022-11-18 20:27:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-18 20:27:50,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:50,164 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] [2022-11-18 20:27:50,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:27:50,164 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:50,165 INFO L85 PathProgramCache]: Analyzing trace with hash -610744471, now seen corresponding path program 1 times [2022-11-18 20:27:50,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:50,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926032579] [2022-11-18 20:27:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:27:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:27:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:27:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:27:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:27:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:27:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:27:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:27:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:27:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:27:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:27:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:27:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-18 20:27:51,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:51,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926032579] [2022-11-18 20:27:51,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926032579] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:51,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668981328] [2022-11-18 20:27:51,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:51,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:51,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:51,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:51,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:27:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:53,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:27:53,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-18 20:27:53,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:53,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668981328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:53,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:27:53,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-11-18 20:27:53,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434131105] [2022-11-18 20:27:53,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:27:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:27:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:27:53,351 INFO L87 Difference]: Start difference. First operand 10802 states and 15451 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) [2022-11-18 20:27:56,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:56,144 INFO L93 Difference]: Finished difference Result 32327 states and 46252 transitions. [2022-11-18 20:27:56,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:27:56,145 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 [2022-11-18 20:27:56,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:56,298 INFO L225 Difference]: With dead ends: 32327 [2022-11-18 20:27:56,298 INFO L226 Difference]: Without dead ends: 32314 [2022-11-18 20:27:56,318 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 [2022-11-18 20:27:56,320 INFO L413 NwaCegarLoop]: 4027 mSDtfsCounter, 3649 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:56,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3649 Valid, 7470 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 20:27:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32314 states. [2022-11-18 20:27:58,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32314 to 32278. [2022-11-18 20:27:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32278 states, 23574 states have (on average 1.3747348774073131) internal successors, (32408), 24046 states have internal predecessors, (32408), 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) [2022-11-18 20:27:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32278 states to 32278 states and 46201 transitions. [2022-11-18 20:27:58,280 INFO L78 Accepts]: Start accepts. Automaton has 32278 states and 46201 transitions. Word has length 175 [2022-11-18 20:27:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:58,281 INFO L495 AbstractCegarLoop]: Abstraction has 32278 states and 46201 transitions. [2022-11-18 20:27:58,281 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) [2022-11-18 20:27:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32278 states and 46201 transitions. [2022-11-18 20:27:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-18 20:27:58,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:58,314 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] [2022-11-18 20:27:58,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:58,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:58,532 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:58,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash 2095874923, now seen corresponding path program 1 times [2022-11-18 20:27:58,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:58,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491367205] [2022-11-18 20:27:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:58,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:27:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:27:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:27:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:27:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:27:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:27:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:27:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:27:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:27:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:27:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:27:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:27:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:27:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:27:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-18 20:27:59,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491367205] [2022-11-18 20:27:59,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491367205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:59,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:59,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:27:59,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675967212] [2022-11-18 20:27:59,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:59,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:27:59,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:59,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:27:59,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:27:59,937 INFO L87 Difference]: Start difference. First operand 32278 states and 46201 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) [2022-11-18 20:28:11,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:13,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:15,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:17,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:20,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:22,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:24,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:26,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:29,373 INFO L93 Difference]: Finished difference Result 79617 states and 118664 transitions. [2022-11-18 20:28:29,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:28:29,374 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 [2022-11-18 20:28:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:29,616 INFO L225 Difference]: With dead ends: 79617 [2022-11-18 20:28:29,616 INFO L226 Difference]: Without dead ends: 47378 [2022-11-18 20:28:29,937 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 [2022-11-18 20:28:29,938 INFO L413 NwaCegarLoop]: 2219 mSDtfsCounter, 3159 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 1407 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3391 SdHoareTripleChecker+Valid, 6377 SdHoareTripleChecker+Invalid, 4027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1407 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:29,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3391 Valid, 6377 Invalid, 4027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1407 Valid, 2612 Invalid, 8 Unknown, 0 Unchecked, 27.0s Time] [2022-11-18 20:28:29,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47378 states. [2022-11-18 20:28:32,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47378 to 32254. [2022-11-18 20:28:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32254 states, 23550 states have (on average 1.3740976645435243) internal successors, (32360), 24030 states have internal predecessors, (32360), 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) [2022-11-18 20:28:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32254 states to 32254 states and 46153 transitions. [2022-11-18 20:28:32,658 INFO L78 Accepts]: Start accepts. Automaton has 32254 states and 46153 transitions. Word has length 175 [2022-11-18 20:28:32,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:32,660 INFO L495 AbstractCegarLoop]: Abstraction has 32254 states and 46153 transitions. [2022-11-18 20:28:32,660 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) [2022-11-18 20:28:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32254 states and 46153 transitions. [2022-11-18 20:28:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-18 20:28:32,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:32,699 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] [2022-11-18 20:28:32,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:28:32,700 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:28:32,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:32,700 INFO L85 PathProgramCache]: Analyzing trace with hash 24002756, now seen corresponding path program 1 times [2022-11-18 20:28:32,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:32,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771215582] [2022-11-18 20:28:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:32,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:28:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:28:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:28:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:28:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:28:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:28:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:28:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:28:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:28:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:28:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:28:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:28:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:28:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:28:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:28:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:28:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:28:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:28:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:28:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:28:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-18 20:28:33,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:33,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771215582] [2022-11-18 20:28:33,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771215582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:33,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:33,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:28:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146832512] [2022-11-18 20:28:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:33,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:28:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:33,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:28:33,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:28:33,756 INFO L87 Difference]: Start difference. First operand 32254 states and 46153 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) [2022-11-18 20:28:44,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:46,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:48,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:50,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:55,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:55,371 INFO L93 Difference]: Finished difference Result 82009 states and 119523 transitions. [2022-11-18 20:28:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:28:55,371 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 [2022-11-18 20:28:55,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:55,716 INFO L225 Difference]: With dead ends: 82009 [2022-11-18 20:28:55,716 INFO L226 Difference]: Without dead ends: 49794 [2022-11-18 20:28:55,795 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 [2022-11-18 20:28:55,796 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 3659 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 2381 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3953 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 6122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2381 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:55,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3953 Valid, 5084 Invalid, 6122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2381 Valid, 3737 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2022-11-18 20:28:55,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49794 states. [2022-11-18 20:28:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49794 to 44126. [2022-11-18 20:28:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44126 states, 32228 states have (on average 1.3686856149931736) internal successors, (44110), 32920 states have internal predecessors, (44110), 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) [2022-11-18 20:28:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44126 states to 44126 states and 62793 transitions. [2022-11-18 20:28:58,829 INFO L78 Accepts]: Start accepts. Automaton has 44126 states and 62793 transitions. Word has length 180 [2022-11-18 20:28:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:58,830 INFO L495 AbstractCegarLoop]: Abstraction has 44126 states and 62793 transitions. [2022-11-18 20:28:58,830 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) [2022-11-18 20:28:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand 44126 states and 62793 transitions. [2022-11-18 20:28:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-18 20:28:58,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:58,863 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, 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] [2022-11-18 20:28:58,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:28:58,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:28:58,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1332487621, now seen corresponding path program 1 times [2022-11-18 20:28:58,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:58,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258201188] [2022-11-18 20:28:58,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:58,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:28:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:28:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:28:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:28:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:28:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:28:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:28:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:28:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:28:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:28:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:28:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:28:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:28:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:28:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:28:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:28:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:28:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:28:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:28:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:28:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 20:28:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:28:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-18 20:28:59,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:59,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258201188] [2022-11-18 20:28:59,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258201188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:59,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:59,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:28:59,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426480530] [2022-11-18 20:28:59,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:59,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:28:59,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:59,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:28:59,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:28:59,972 INFO L87 Difference]: Start difference. First operand 44126 states and 62793 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) [2022-11-18 20:29:06,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:11,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:14,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:16,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:18,115 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 [] [2022-11-18 20:29:21,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:21,899 INFO L93 Difference]: Finished difference Result 71238 states and 102717 transitions. [2022-11-18 20:29:21,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:29:21,900 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 [2022-11-18 20:29:21,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:22,004 INFO L225 Difference]: With dead ends: 71238 [2022-11-18 20:29:22,005 INFO L226 Difference]: Without dead ends: 27011 [2022-11-18 20:29:22,080 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 [2022-11-18 20:29:22,080 INFO L413 NwaCegarLoop]: 1845 mSDtfsCounter, 2124 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 598 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 5192 SdHoareTripleChecker+Invalid, 3714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:22,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2356 Valid, 5192 Invalid, 3714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [598 Valid, 3112 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-11-18 20:29:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27011 states. [2022-11-18 20:29:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27011 to 24372. [2022-11-18 20:29:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24372 states, 17839 states have (on average 1.3654352822467628) internal successors, (24358), 18197 states have internal predecessors, (24358), 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) [2022-11-18 20:29:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24372 states to 24372 states and 34581 transitions. [2022-11-18 20:29:23,883 INFO L78 Accepts]: Start accepts. Automaton has 24372 states and 34581 transitions. Word has length 191 [2022-11-18 20:29:23,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:23,884 INFO L495 AbstractCegarLoop]: Abstraction has 24372 states and 34581 transitions. [2022-11-18 20:29:23,884 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) [2022-11-18 20:29:23,884 INFO L276 IsEmpty]: Start isEmpty. Operand 24372 states and 34581 transitions. [2022-11-18 20:29:23,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-18 20:29:23,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:23,927 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] [2022-11-18 20:29:23,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:29:23,928 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:23,928 INFO L85 PathProgramCache]: Analyzing trace with hash -864080277, now seen corresponding path program 1 times [2022-11-18 20:29:23,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:23,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020296852] [2022-11-18 20:29:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:29:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:29:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:29:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:29:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:29:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:29:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:29:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:29:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:29:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:29:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:29:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:29:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:29:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:29:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:29:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:29:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:29:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 20:29:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 20:29:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:29:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-18 20:29:25,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:25,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020296852] [2022-11-18 20:29:25,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020296852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:25,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:29:25,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:29:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075307850] [2022-11-18 20:29:25,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:25,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:29:25,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:25,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:29:25,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:29:25,433 INFO L87 Difference]: Start difference. First operand 24372 states and 34581 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) [2022-11-18 20:29:33,223 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 [] [2022-11-18 20:29:35,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:37,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:39,282 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 [] [2022-11-18 20:29:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:41,856 INFO L93 Difference]: Finished difference Result 26987 states and 39673 transitions. [2022-11-18 20:29:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:29:41,857 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 [2022-11-18 20:29:41,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:41,967 INFO L225 Difference]: With dead ends: 26987 [2022-11-18 20:29:41,967 INFO L226 Difference]: Without dead ends: 26979 [2022-11-18 20:29:41,980 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 [2022-11-18 20:29:41,981 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 883 mSDsluCounter, 3116 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 963 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 930 SdHoareTripleChecker+Valid, 4700 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 963 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:41,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [930 Valid, 4700 Invalid, 3023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [963 Valid, 2056 Invalid, 4 Unknown, 0 Unchecked, 15.0s Time] [2022-11-18 20:29:42,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26979 states. [2022-11-18 20:29:43,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26979 to 24373. [2022-11-18 20:29:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24373 states, 17840 states have (on average 1.365414798206278) internal successors, (24359), 18198 states have internal predecessors, (24359), 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) [2022-11-18 20:29:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24373 states to 24373 states and 34582 transitions. [2022-11-18 20:29:43,306 INFO L78 Accepts]: Start accepts. Automaton has 24373 states and 34582 transitions. Word has length 214 [2022-11-18 20:29:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:43,307 INFO L495 AbstractCegarLoop]: Abstraction has 24373 states and 34582 transitions. [2022-11-18 20:29:43,307 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) [2022-11-18 20:29:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24373 states and 34582 transitions. [2022-11-18 20:29:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-18 20:29:43,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:43,490 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] [2022-11-18 20:29:43,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:29:43,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -220119398, now seen corresponding path program 1 times [2022-11-18 20:29:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:43,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614764472] [2022-11-18 20:29:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:29:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:29:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:29:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:29:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:29:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:29:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:29:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:29:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:29:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:29:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:29:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:29:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:29:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:29:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:29:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:29:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:29:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 20:29:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 20:29:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:29:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-18 20:29:44,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:44,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614764472] [2022-11-18 20:29:44,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614764472] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:29:44,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144443381] [2022-11-18 20:29:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:44,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:29:44,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:44,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:29:44,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:29:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:46,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 5467 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:29:46,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-18 20:29:46,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:29:46,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144443381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:46,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:29:46,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-18 20:29:46,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782538809] [2022-11-18 20:29:46,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:46,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:29:46,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:46,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:29:46,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:29:46,766 INFO L87 Difference]: Start difference. First operand 24373 states and 34582 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) [2022-11-18 20:29:48,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:48,234 INFO L93 Difference]: Finished difference Result 45704 states and 65183 transitions. [2022-11-18 20:29:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:29:48,235 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 [2022-11-18 20:29:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:48,293 INFO L225 Difference]: With dead ends: 45704 [2022-11-18 20:29:48,293 INFO L226 Difference]: Without dead ends: 21409 [2022-11-18 20:29:48,343 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 [2022-11-18 20:29:48,344 INFO L413 NwaCegarLoop]: 1526 mSDtfsCounter, 1508 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1526 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 [2022-11-18 20:29:48,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1526 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:29:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21409 states. [2022-11-18 20:29:49,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21409 to 21409. [2022-11-18 20:29:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21409 states, 15770 states have (on average 1.28712745719721) internal successors, (20298), 15948 states have internal predecessors, (20298), 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) [2022-11-18 20:29:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21409 states to 21409 states and 28853 transitions. [2022-11-18 20:29:49,457 INFO L78 Accepts]: Start accepts. Automaton has 21409 states and 28853 transitions. Word has length 217 [2022-11-18 20:29:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:49,458 INFO L495 AbstractCegarLoop]: Abstraction has 21409 states and 28853 transitions. [2022-11-18 20:29:49,458 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) [2022-11-18 20:29:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 21409 states and 28853 transitions. [2022-11-18 20:29:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-18 20:29:49,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:49,599 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] [2022-11-18 20:29:49,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:49,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:29:49,800 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:49,800 INFO L85 PathProgramCache]: Analyzing trace with hash -999071202, now seen corresponding path program 1 times [2022-11-18 20:29:49,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:49,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092417342] [2022-11-18 20:29:49,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:49,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:29:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:29:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:29:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:29:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:29:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:29:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:29:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:29:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:29:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 20:29:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:29:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 20:29:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:29:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:29:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:29:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:29:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:29:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 20:29:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-18 20:29:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-18 20:29:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-18 20:29:51,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:51,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092417342] [2022-11-18 20:29:51,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092417342] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:29:51,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139482436] [2022-11-18 20:29:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:29:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:51,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:29:51,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:29:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:52,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 5467 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:29:52,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-18 20:29:52,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:29:52,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139482436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:29:52,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:29:52,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-18 20:29:52,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805243810] [2022-11-18 20:29:52,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:29:52,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:29:52,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:52,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:29:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:29:52,911 INFO L87 Difference]: Start difference. First operand 21409 states and 28853 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) [2022-11-18 20:29:53,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:53,958 INFO L93 Difference]: Finished difference Result 42843 states and 58156 transitions. [2022-11-18 20:29:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:29:53,959 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 [2022-11-18 20:29:53,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:54,026 INFO L225 Difference]: With dead ends: 42843 [2022-11-18 20:29:54,026 INFO L226 Difference]: Without dead ends: 21428 [2022-11-18 20:29:54,077 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 [2022-11-18 20:29:54,078 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 2 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4736 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:54,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4736 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:29:54,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21428 states. [2022-11-18 20:29:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21428 to 21428. [2022-11-18 20:29:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21428 states, 15789 states have (on average 1.286781936791437) internal successors, (20317), 15967 states have internal predecessors, (20317), 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) [2022-11-18 20:29:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21428 states to 21428 states and 28872 transitions. [2022-11-18 20:29:55,235 INFO L78 Accepts]: Start accepts. Automaton has 21428 states and 28872 transitions. Word has length 217 [2022-11-18 20:29:55,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:55,235 INFO L495 AbstractCegarLoop]: Abstraction has 21428 states and 28872 transitions. [2022-11-18 20:29:55,235 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) [2022-11-18 20:29:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 21428 states and 28872 transitions. [2022-11-18 20:29:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-18 20:29:55,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:55,266 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] [2022-11-18 20:29:55,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:29:55,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-18 20:29:55,493 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:55,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:55,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1395565612, now seen corresponding path program 1 times [2022-11-18 20:29:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:55,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969033496] [2022-11-18 20:29:55,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:29:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:29:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:29:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:29:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:29:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:29:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:29:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:29:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:29:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:29:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:29:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:29:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:29:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:29:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:29:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:29:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:29:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:29:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:29:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:29:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:29:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 20:29:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 20:29:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-18 20:29:56,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:29:56,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969033496] [2022-11-18 20:29:56,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969033496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:29:56,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594646629] [2022-11-18 20:29:56,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:56,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:29:56,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:29:56,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:29:56,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:29:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:29:58,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 5497 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:29:58,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:29:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-18 20:29:58,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:29:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-18 20:29:58,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594646629] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:29:58,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:29:58,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-11-18 20:29:58,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314543278] [2022-11-18 20:29:58,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:29:58,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:29:58,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:29:58,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:29:58,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:29:58,666 INFO L87 Difference]: Start difference. First operand 21428 states and 28872 transitions. Second operand has 10 states, 10 states have (on average 12.7) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:30:06,999 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 [] [2022-11-18 20:30:09,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:10,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:12,643 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 [] [2022-11-18 20:30:15,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:15,102 INFO L93 Difference]: Finished difference Result 23452 states and 32617 transitions. [2022-11-18 20:30:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:30:15,103 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 219 [2022-11-18 20:30:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:15,180 INFO L225 Difference]: With dead ends: 23452 [2022-11-18 20:30:15,180 INFO L226 Difference]: Without dead ends: 23444 [2022-11-18 20:30:15,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:30:15,193 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 746 mSDsluCounter, 4891 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 798 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 6208 SdHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:15,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 6208 Invalid, 3614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 2813 Invalid, 3 Unknown, 0 Unchecked, 15.0s Time] [2022-11-18 20:30:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23444 states. [2022-11-18 20:30:16,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23444 to 21437. [2022-11-18 20:30:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21437 states, 15798 states have (on average 1.2866185593113053) internal successors, (20326), 15976 states have internal predecessors, (20326), 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) [2022-11-18 20:30:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21437 states to 21437 states and 28881 transitions. [2022-11-18 20:30:16,416 INFO L78 Accepts]: Start accepts. Automaton has 21437 states and 28881 transitions. Word has length 219 [2022-11-18 20:30:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:16,417 INFO L495 AbstractCegarLoop]: Abstraction has 21437 states and 28881 transitions. [2022-11-18 20:30:16,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.7) internal successors, (127), 7 states have internal predecessors, (127), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-18 20:30:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 21437 states and 28881 transitions. [2022-11-18 20:30:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-18 20:30:16,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:16,438 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 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] [2022-11-18 20:30:16,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:16,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-18 20:30:16,639 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:16,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:16,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1528012931, now seen corresponding path program 1 times [2022-11-18 20:30:16,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:16,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899536163] [2022-11-18 20:30:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:16,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:30:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:30:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:30:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:30:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:30:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:30:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:30:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:30:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:30:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:30:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:30:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:30:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:30:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:30:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:30:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-18 20:30:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:30:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:30:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:30:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:30:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 20:30:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-18 20:30:17,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:17,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899536163] [2022-11-18 20:30:17,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899536163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:17,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:17,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:30:17,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139159905] [2022-11-18 20:30:17,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:17,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:30:17,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:17,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:30:17,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:30:17,453 INFO L87 Difference]: Start difference. First operand 21437 states and 28881 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) [2022-11-18 20:30:21,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:26,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:28,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:30,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:32,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:34,175 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 [] [2022-11-18 20:30:36,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:36,992 INFO L93 Difference]: Finished difference Result 42312 states and 57982 transitions. [2022-11-18 20:30:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:30:36,993 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 219 [2022-11-18 20:30:36,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:37,060 INFO L225 Difference]: With dead ends: 42312 [2022-11-18 20:30:37,061 INFO L226 Difference]: Without dead ends: 20953 [2022-11-18 20:30:37,102 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 [2022-11-18 20:30:37,103 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 982 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 3151 mSolverCounterSat, 872 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 4869 SdHoareTripleChecker+Invalid, 4028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 3151 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:30:37,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 4869 Invalid, 4028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 3151 Invalid, 5 Unknown, 0 Unchecked, 18.0s Time] [2022-11-18 20:30:37,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20953 states. [2022-11-18 20:30:38,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20953 to 18911. [2022-11-18 20:30:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18911 states, 13896 states have (on average 1.2880685089234312) internal successors, (17899), 14056 states have internal predecessors, (17899), 3732 states have call successors, (3732), 1207 states have call predecessors, (3732), 1282 states have return successors, (3878), 3752 states have call predecessors, (3878), 3731 states have call successors, (3878) [2022-11-18 20:30:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18911 states to 18911 states and 25509 transitions. [2022-11-18 20:30:38,274 INFO L78 Accepts]: Start accepts. Automaton has 18911 states and 25509 transitions. Word has length 219 [2022-11-18 20:30:38,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:38,274 INFO L495 AbstractCegarLoop]: Abstraction has 18911 states and 25509 transitions. [2022-11-18 20:30:38,274 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) [2022-11-18 20:30:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 18911 states and 25509 transitions. [2022-11-18 20:30:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-18 20:30:38,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:38,298 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 4, 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] [2022-11-18 20:30:38,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:30:38,299 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:38,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:38,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2040179279, now seen corresponding path program 2 times [2022-11-18 20:30:38,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:38,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421742262] [2022-11-18 20:30:38,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:30:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:30:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:30:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:30:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:30:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:30:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:30:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:30:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:30:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:30:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:30:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:30:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:30:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:30:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:30:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:30:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:30:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:30:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:30:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-18 20:30:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-18 20:30:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-18 20:30:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:39,738 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-18 20:30:39,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:39,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421742262] [2022-11-18 20:30:39,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421742262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:30:39,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809610189] [2022-11-18 20:30:39,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:30:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:30:39,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:39,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:30:39,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:30:41,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 20:30:41,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:30:41,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 4619 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-18 20:30:41,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:30:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-11-18 20:30:41,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:30:41,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809610189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:41,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:30:41,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [10] total 22 [2022-11-18 20:30:41,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685173726] [2022-11-18 20:30:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:41,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 20:30:41,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:41,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:30:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:30:41,898 INFO L87 Difference]: Start difference. First operand 18911 states and 25509 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) [2022-11-18 20:30:44,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:30:44,018 INFO L93 Difference]: Finished difference Result 38043 states and 51381 transitions. [2022-11-18 20:30:44,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:30:44,019 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 228 [2022-11-18 20:30:44,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:30:44,089 INFO L225 Difference]: With dead ends: 38043 [2022-11-18 20:30:44,089 INFO L226 Difference]: Without dead ends: 19239 [2022-11-18 20:30:44,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:30:44,131 INFO L413 NwaCegarLoop]: 1612 mSDtfsCounter, 53 mSDsluCounter, 19237 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 20849 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 [2022-11-18 20:30:44,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 20849 Invalid, 203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:30:44,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19239 states. [2022-11-18 20:30:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19239 to 18884. [2022-11-18 20:30:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18884 states, 13887 states have (on average 1.286310938287607) internal successors, (17863), 14029 states have internal predecessors, (17863), 3723 states have call successors, (3723), 1207 states have call predecessors, (3723), 1273 states have return successors, (3842), 3743 states have call predecessors, (3842), 3722 states have call successors, (3842) [2022-11-18 20:30:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18884 states to 18884 states and 25428 transitions. [2022-11-18 20:30:45,373 INFO L78 Accepts]: Start accepts. Automaton has 18884 states and 25428 transitions. Word has length 228 [2022-11-18 20:30:45,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:30:45,374 INFO L495 AbstractCegarLoop]: Abstraction has 18884 states and 25428 transitions. [2022-11-18 20:30:45,374 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) [2022-11-18 20:30:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18884 states and 25428 transitions. [2022-11-18 20:30:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-18 20:30:45,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:30:45,400 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2022-11-18 20:30:45,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:30:45,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 20:30:45,602 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:30:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:30:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1869055368, now seen corresponding path program 1 times [2022-11-18 20:30:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:30:45,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11477429] [2022-11-18 20:30:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:30:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:30:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:30:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:30:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:30:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:30:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:30:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:30:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:30:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:30:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:30:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:30:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:30:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:30:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:30:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:30:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:30:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:30:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:30:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 20:30:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:30:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:30:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:30:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:30:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:30:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:30:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2022-11-18 20:30:46,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:30:46,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11477429] [2022-11-18 20:30:46,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11477429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:30:46,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:30:46,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:30:46,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982291058] [2022-11-18 20:30:46,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:30:46,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:30:46,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:30:46,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:30:46,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:30:46,382 INFO L87 Difference]: Start difference. First operand 18884 states and 25428 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) [2022-11-18 20:30:55,639 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 [] [2022-11-18 20:30:57,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:30:59,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:01,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:03,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:06,797 INFO L93 Difference]: Finished difference Result 43842 states and 61312 transitions. [2022-11-18 20:31:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:31:06,798 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 228 [2022-11-18 20:31:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:06,936 INFO L225 Difference]: With dead ends: 43842 [2022-11-18 20:31:06,936 INFO L226 Difference]: Without dead ends: 25065 [2022-11-18 20:31:07,097 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 [2022-11-18 20:31:07,097 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 1214 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 896 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 4312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:07,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 5965 Invalid, 4312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [896 Valid, 3411 Invalid, 5 Unknown, 0 Unchecked, 18.8s Time] [2022-11-18 20:31:07,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25065 states. [2022-11-18 20:31:08,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25065 to 18908. [2022-11-18 20:31:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18908 states, 13899 states have (on average 1.2860637455932082) internal successors, (17875), 14041 states have internal predecessors, (17875), 3735 states have call successors, (3735), 1207 states have call predecessors, (3735), 1273 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-18 20:31:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18908 states to 18908 states and 25464 transitions. [2022-11-18 20:31:08,426 INFO L78 Accepts]: Start accepts. Automaton has 18908 states and 25464 transitions. Word has length 228 [2022-11-18 20:31:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:08,427 INFO L495 AbstractCegarLoop]: Abstraction has 18908 states and 25464 transitions. [2022-11-18 20:31:08,427 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) [2022-11-18 20:31:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 18908 states and 25464 transitions. [2022-11-18 20:31:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-18 20:31:08,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:08,447 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:08,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:31:08,447 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:08,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash -193362725, now seen corresponding path program 1 times [2022-11-18 20:31:08,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:08,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495787992] [2022-11-18 20:31:08,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:08,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:31:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:31:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:31:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:31:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:31:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:31:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:31:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:31:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:31:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:31:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:31:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:31:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:31:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:31:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:31:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:31:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:31:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:31:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:31:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:31:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:31:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:31:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:31:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-18 20:31:09,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:09,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495787992] [2022-11-18 20:31:09,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495787992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:09,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:09,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:31:09,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751539712] [2022-11-18 20:31:09,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:09,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:31:09,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:09,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:31:09,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:31:09,160 INFO L87 Difference]: Start difference. First operand 18908 states and 25464 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) [2022-11-18 20:31:18,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:20,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:22,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:24,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:31:27,618 INFO L93 Difference]: Finished difference Result 30621 states and 42265 transitions. [2022-11-18 20:31:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:31:27,618 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 232 [2022-11-18 20:31:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:31:27,718 INFO L225 Difference]: With dead ends: 30621 [2022-11-18 20:31:27,718 INFO L226 Difference]: Without dead ends: 21071 [2022-11-18 20:31:27,751 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 [2022-11-18 20:31:27,752 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 784 mSDsluCounter, 4273 mSDsCounter, 0 mSdLazyCounter, 3609 mSolverCounterSat, 620 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 5447 SdHoareTripleChecker+Invalid, 4233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 3609 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:31:27,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 5447 Invalid, 4233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [620 Valid, 3609 Invalid, 4 Unknown, 0 Unchecked, 16.9s Time] [2022-11-18 20:31:27,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21071 states. [2022-11-18 20:31:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21071 to 18930. [2022-11-18 20:31:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18930 states, 13921 states have (on average 1.2856116658286043) internal successors, (17897), 14063 states have internal predecessors, (17897), 3735 states have call successors, (3735), 1207 states have call predecessors, (3735), 1273 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-11-18 20:31:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18930 states to 18930 states and 25486 transitions. [2022-11-18 20:31:29,007 INFO L78 Accepts]: Start accepts. Automaton has 18930 states and 25486 transitions. Word has length 232 [2022-11-18 20:31:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:31:29,007 INFO L495 AbstractCegarLoop]: Abstraction has 18930 states and 25486 transitions. [2022-11-18 20:31:29,007 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) [2022-11-18 20:31:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 18930 states and 25486 transitions. [2022-11-18 20:31:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-18 20:31:29,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:31:29,029 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:31:29,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:31:29,029 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:31:29,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:31:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -951258468, now seen corresponding path program 1 times [2022-11-18 20:31:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:31:29,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839339740] [2022-11-18 20:31:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:31:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:31:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:31:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:31:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:31:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:31:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:31:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:31:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:31:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:31:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:31:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:31:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:31:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:31:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:31:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:31:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 20:31:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:31:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 20:31:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-18 20:31:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:31:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:31:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:31:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:31:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:31:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:31:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:31:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-18 20:31:30,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:31:30,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839339740] [2022-11-18 20:31:30,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839339740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:31:30,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:31:30,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-18 20:31:30,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661456010] [2022-11-18 20:31:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:31:30,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 20:31:30,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:31:30,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:31:30,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:31:30,924 INFO L87 Difference]: Start difference. First operand 18930 states and 25486 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) [2022-11-18 20:31:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:46,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:48,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:52,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:54,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:31:56,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:00,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:00,034 INFO L93 Difference]: Finished difference Result 40637 states and 55534 transitions. [2022-11-18 20:32:00,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 20:32:00,035 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 234 [2022-11-18 20:32:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:00,099 INFO L225 Difference]: With dead ends: 40637 [2022-11-18 20:32:00,099 INFO L226 Difference]: Without dead ends: 19894 [2022-11-18 20:32:00,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:32:00,140 INFO L413 NwaCegarLoop]: 970 mSDtfsCounter, 4357 mSDsluCounter, 4099 mSDsCounter, 0 mSdLazyCounter, 7824 mSolverCounterSat, 2731 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4619 SdHoareTripleChecker+Valid, 5069 SdHoareTripleChecker+Invalid, 10561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2731 IncrementalHoareTripleChecker+Valid, 7824 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:00,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4619 Valid, 5069 Invalid, 10561 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2731 Valid, 7824 Invalid, 6 Unknown, 0 Unchecked, 26.8s Time] [2022-11-18 20:32:00,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19894 states. [2022-11-18 20:32:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19894 to 17314. [2022-11-18 20:32:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17314 states, 12708 states have (on average 1.2815549260308468) internal successors, (16286), 12845 states have internal predecessors, (16286), 3418 states have call successors, (3418), 1113 states have call predecessors, (3418), 1187 states have return successors, (3512), 3445 states have call predecessors, (3512), 3417 states have call successors, (3512) [2022-11-18 20:32:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17314 states to 17314 states and 23216 transitions. [2022-11-18 20:32:01,262 INFO L78 Accepts]: Start accepts. Automaton has 17314 states and 23216 transitions. Word has length 234 [2022-11-18 20:32:01,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:01,263 INFO L495 AbstractCegarLoop]: Abstraction has 17314 states and 23216 transitions. [2022-11-18 20:32:01,263 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) [2022-11-18 20:32:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 17314 states and 23216 transitions. [2022-11-18 20:32:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-18 20:32:01,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:01,282 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:01,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:32:01,283 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:01,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:01,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1450405479, now seen corresponding path program 1 times [2022-11-18 20:32:01,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:01,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182249759] [2022-11-18 20:32:01,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:01,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:32:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:32:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:32:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:32:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:32:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:32:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:32:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:32:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:32:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:32:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:32:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:32:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:32:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:32:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 20:32:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-18 20:32:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:32:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 20:32:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-18 20:32:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-18 20:32:02,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:02,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182249759] [2022-11-18 20:32:02,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182249759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:02,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:02,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:32:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201896659] [2022-11-18 20:32:02,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:02,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:32:02,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:02,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:32:02,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:32:02,461 INFO L87 Difference]: Start difference. First operand 17314 states and 23216 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) [2022-11-18 20:32:11,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:13,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:15,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:17,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:21,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:24,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:26,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:30,282 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 [] [2022-11-18 20:32:30,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:30,989 INFO L93 Difference]: Finished difference Result 41851 states and 58496 transitions. [2022-11-18 20:32:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:32:30,990 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 245 [2022-11-18 20:32:30,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:31,063 INFO L225 Difference]: With dead ends: 41851 [2022-11-18 20:32:31,064 INFO L226 Difference]: Without dead ends: 24644 [2022-11-18 20:32:31,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:32:31,095 INFO L413 NwaCegarLoop]: 2031 mSDtfsCounter, 1306 mSDsluCounter, 8789 mSDsCounter, 0 mSdLazyCounter, 3861 mSolverCounterSat, 797 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 10820 SdHoareTripleChecker+Invalid, 4666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 3861 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:31,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 10820 Invalid, 4666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [797 Valid, 3861 Invalid, 8 Unknown, 0 Unchecked, 26.8s Time] [2022-11-18 20:32:31,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24644 states. [2022-11-18 20:32:32,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24644 to 17458. [2022-11-18 20:32:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17458 states, 12825 states have (on average 1.2789863547758284) internal successors, (16403), 12971 states have internal predecessors, (16403), 3418 states have call successors, (3418), 1113 states have call predecessors, (3418), 1214 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-18 20:32:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17458 states to 17458 states and 23369 transitions. [2022-11-18 20:32:32,218 INFO L78 Accepts]: Start accepts. Automaton has 17458 states and 23369 transitions. Word has length 245 [2022-11-18 20:32:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:32,218 INFO L495 AbstractCegarLoop]: Abstraction has 17458 states and 23369 transitions. [2022-11-18 20:32:32,219 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) [2022-11-18 20:32:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 17458 states and 23369 transitions. [2022-11-18 20:32:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-18 20:32:32,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:32,241 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:32,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:32:32,241 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:32,241 INFO L85 PathProgramCache]: Analyzing trace with hash -843525178, now seen corresponding path program 1 times [2022-11-18 20:32:32,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:32,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67210047] [2022-11-18 20:32:32,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:32,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:32:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:32:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:32:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:32:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:32:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:32:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:32:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:32:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:32:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:32:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:32:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:32:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:32:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:32:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:32:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:32:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 20:32:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:32:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-18 20:32:33,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:33,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67210047] [2022-11-18 20:32:33,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67210047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:32:33,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:32:33,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:32:33,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747696053] [2022-11-18 20:32:33,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:32:33,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:32:33,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:33,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:32:33,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:32:33,125 INFO L87 Difference]: Start difference. First operand 17458 states and 23369 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) [2022-11-18 20:32:41,275 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 [] [2022-11-18 20:32:43,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:45,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:32:47,337 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 [] [2022-11-18 20:32:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:32:49,256 INFO L93 Difference]: Finished difference Result 36811 states and 50181 transitions. [2022-11-18 20:32:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:32:49,257 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 246 [2022-11-18 20:32:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:32:49,313 INFO L225 Difference]: With dead ends: 36811 [2022-11-18 20:32:49,313 INFO L226 Difference]: Without dead ends: 19460 [2022-11-18 20:32:49,341 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 [2022-11-18 20:32:49,342 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 747 mSDsluCounter, 3718 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 798 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 5024 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:32:49,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 5024 Invalid, 3056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 2254 Invalid, 4 Unknown, 0 Unchecked, 14.7s Time] [2022-11-18 20:32:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19460 states. [2022-11-18 20:32:50,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19460 to 17467. [2022-11-18 20:32:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17467 states, 12834 states have (on average 1.2787907121707964) internal successors, (16412), 12980 states have internal predecessors, (16412), 3418 states have call successors, (3418), 1113 states have call predecessors, (3418), 1214 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-11-18 20:32:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17467 states to 17467 states and 23378 transitions. [2022-11-18 20:32:50,332 INFO L78 Accepts]: Start accepts. Automaton has 17467 states and 23378 transitions. Word has length 246 [2022-11-18 20:32:50,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:32:50,333 INFO L495 AbstractCegarLoop]: Abstraction has 17467 states and 23378 transitions. [2022-11-18 20:32:50,333 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) [2022-11-18 20:32:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 17467 states and 23378 transitions. [2022-11-18 20:32:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-18 20:32:50,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:32:50,353 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:32:50,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:32:50,354 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:32:50,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:32:50,354 INFO L85 PathProgramCache]: Analyzing trace with hash 298977288, now seen corresponding path program 1 times [2022-11-18 20:32:50,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:32:50,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196854665] [2022-11-18 20:32:50,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:50,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:32:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:32:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:32:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:32:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:32:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:32:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:32:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:32:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:32:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:32:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:32:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:32:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 20:32:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-18 20:32:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 20:32:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-18 20:32:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:32:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:32:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:32:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:32:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:32:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:32:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-18 20:32:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-18 20:32:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-18 20:32:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:32:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-18 20:32:51,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:32:51,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196854665] [2022-11-18 20:32:51,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196854665] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:32:51,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911239774] [2022-11-18 20:32:51,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:32:51,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:32:51,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:32:51,692 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:32:51,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:32:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:32:53,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 5769 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:32:53,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:32:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-18 20:32:53,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:32:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-11-18 20:32:53,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911239774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:32:53,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:32:53,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2022-11-18 20:32:53,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758192572] [2022-11-18 20:32:53,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:32:53,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 20:32:53,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:32:53,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 20:32:53,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:32:53,805 INFO L87 Difference]: Start difference. First operand 17467 states and 23378 transitions. Second operand has 16 states, 16 states have (on average 16.5) internal successors, (264), 13 states have internal predecessors, (264), 2 states have call successors, (68), 5 states have call predecessors, (68), 4 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-18 20:33:05,345 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 [] [2022-11-18 20:33:07,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:09,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:11,393 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 [] [2022-11-18 20:33:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:13,738 INFO L93 Difference]: Finished difference Result 36992 states and 50837 transitions. [2022-11-18 20:33:13,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:33:13,742 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 16.5) internal successors, (264), 13 states have internal predecessors, (264), 2 states have call successors, (68), 5 states have call predecessors, (68), 4 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 246 [2022-11-18 20:33:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:13,842 INFO L225 Difference]: With dead ends: 36992 [2022-11-18 20:33:13,843 INFO L226 Difference]: Without dead ends: 19519 [2022-11-18 20:33:13,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-18 20:33:13,901 INFO L413 NwaCegarLoop]: 1303 mSDtfsCounter, 773 mSDsluCounter, 9405 mSDsCounter, 0 mSdLazyCounter, 4955 mSolverCounterSat, 831 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 10708 SdHoareTripleChecker+Invalid, 5790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 4955 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:13,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 10708 Invalid, 5790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [831 Valid, 4955 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-18 20:33:13,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19519 states. [2022-11-18 20:33:15,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19519 to 17641. [2022-11-18 20:33:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17641 states, 12989 states have (on average 1.2798521826160598) internal successors, (16624), 13135 states have internal predecessors, (16624), 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) [2022-11-18 20:33:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17641 states to 17641 states and 23590 transitions. [2022-11-18 20:33:15,179 INFO L78 Accepts]: Start accepts. Automaton has 17641 states and 23590 transitions. Word has length 246 [2022-11-18 20:33:15,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:15,180 INFO L495 AbstractCegarLoop]: Abstraction has 17641 states and 23590 transitions. [2022-11-18 20:33:15,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 16.5) internal successors, (264), 13 states have internal predecessors, (264), 2 states have call successors, (68), 5 states have call predecessors, (68), 4 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-18 20:33:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17641 states and 23590 transitions. [2022-11-18 20:33:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 20:33:15,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:15,222 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 5, 5, 5, 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] [2022-11-18 20:33:15,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:33:15,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-18 20:33:15,435 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:15,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:15,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1226822855, now seen corresponding path program 2 times [2022-11-18 20:33:15,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:15,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895422895] [2022-11-18 20:33:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:15,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:33:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:33:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:33:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:33:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:33:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:33:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:33:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:33:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:33:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 20:33:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 20:33:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-18 20:33:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:33:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 20:33:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 20:33:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:33:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 20:33:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:33:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 20:33:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 20:33:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:33:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-11-18 20:33:16,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:16,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895422895] [2022-11-18 20:33:16,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895422895] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:16,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481279609] [2022-11-18 20:33:16,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:33:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:16,703 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:16,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:33:22,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:33:22,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:33:23,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 5844 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-18 20:33:23,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:33:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 137 proven. 18 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-18 20:33:23,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:33:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-11-18 20:33:23,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481279609] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:33:23,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:33:23,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 6] total 20 [2022-11-18 20:33:23,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459393673] [2022-11-18 20:33:23,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:33:23,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 20:33:23,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:33:23,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:33:23,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:33:23,664 INFO L87 Difference]: Start difference. First operand 17641 states and 23590 transitions. Second operand has 20 states, 20 states have (on average 13.3) internal successors, (266), 17 states have internal predecessors, (266), 2 states have call successors, (67), 5 states have call predecessors, (67), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-18 20:33:37,887 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 [] [2022-11-18 20:33:39,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:41,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:33:43,946 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 [] [2022-11-18 20:33:48,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:33:48,092 INFO L93 Difference]: Finished difference Result 37177 states and 51003 transitions. [2022-11-18 20:33:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-18 20:33:48,093 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 13.3) internal successors, (266), 17 states have internal predecessors, (266), 2 states have call successors, (67), 5 states have call predecessors, (67), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 253 [2022-11-18 20:33:48,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:33:48,174 INFO L225 Difference]: With dead ends: 37177 [2022-11-18 20:33:48,174 INFO L226 Difference]: Without dead ends: 19544 [2022-11-18 20:33:48,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=692, Unknown=0, NotChecked=0, Total=870 [2022-11-18 20:33:48,221 INFO L413 NwaCegarLoop]: 1297 mSDtfsCounter, 788 mSDsluCounter, 13863 mSDsCounter, 0 mSdLazyCounter, 7135 mSolverCounterSat, 847 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 15160 SdHoareTripleChecker+Invalid, 7986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 7135 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:33:48,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 15160 Invalid, 7986 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [847 Valid, 7135 Invalid, 4 Unknown, 0 Unchecked, 21.8s Time] [2022-11-18 20:33:48,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19544 states. [2022-11-18 20:33:49,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19544 to 17666. [2022-11-18 20:33:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17666 states, 13014 states have (on average 1.2777777777777777) internal successors, (16629), 13160 states have internal predecessors, (16629), 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) [2022-11-18 20:33:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17666 states to 17666 states and 23595 transitions. [2022-11-18 20:33:49,724 INFO L78 Accepts]: Start accepts. Automaton has 17666 states and 23595 transitions. Word has length 253 [2022-11-18 20:33:49,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:33:49,725 INFO L495 AbstractCegarLoop]: Abstraction has 17666 states and 23595 transitions. [2022-11-18 20:33:49,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.3) internal successors, (266), 17 states have internal predecessors, (266), 2 states have call successors, (67), 5 states have call predecessors, (67), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-18 20:33:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 17666 states and 23595 transitions. [2022-11-18 20:33:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-18 20:33:49,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:33:49,757 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 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] [2022-11-18 20:33:49,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-18 20:33:49,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:49,958 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:33:49,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:33:49,958 INFO L85 PathProgramCache]: Analyzing trace with hash 70473470, now seen corresponding path program 3 times [2022-11-18 20:33:49,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:33:49,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742054508] [2022-11-18 20:33:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:33:49,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:33:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:33:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:33:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:33:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:33:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:33:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:33:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:33:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:33:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:33:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:33:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:33:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 20:33:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:33:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:33:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 20:33:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 20:33:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:33:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:33:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:33:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:33:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:33:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 20:33:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 20:33:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 20:33:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:33:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:33:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-18 20:33:51,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:33:51,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742054508] [2022-11-18 20:33:51,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742054508] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:33:51,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099496013] [2022-11-18 20:33:51,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:33:51,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:33:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:33:51,652 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:33:51,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:34:14,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-11-18 20:34:14,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:34:14,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 5631 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-18 20:34:14,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:34:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-18 20:34:14,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:34:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-18 20:34:14,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099496013] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:34:14,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:34:14,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2022-11-18 20:34:14,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706384319] [2022-11-18 20:34:14,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:34:14,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 20:34:14,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:14,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:34:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:34:14,817 INFO L87 Difference]: Start difference. First operand 17666 states and 23595 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) [2022-11-18 20:34:26,752 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 [] [2022-11-18 20:34:28,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:34:30,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:34:32,802 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 [] [2022-11-18 20:34:36,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:34:36,021 INFO L93 Difference]: Finished difference Result 19559 states and 26993 transitions. [2022-11-18 20:34:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:34:36,022 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 260 [2022-11-18 20:34:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:34:36,101 INFO L225 Difference]: With dead ends: 19559 [2022-11-18 20:34:36,102 INFO L226 Difference]: Without dead ends: 19551 [2022-11-18 20:34:36,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 581 GetRequests, 560 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:34:36,116 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 757 mSDsluCounter, 11772 mSDsCounter, 0 mSdLazyCounter, 6043 mSolverCounterSat, 806 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 13087 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 6043 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:34:36,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 13087 Invalid, 6853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 6043 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2022-11-18 20:34:36,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19551 states. [2022-11-18 20:34:37,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19551 to 17675. [2022-11-18 20:34:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17675 states, 13023 states have (on average 1.2775858097212625) internal successors, (16638), 13169 states have internal predecessors, (16638), 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) [2022-11-18 20:34:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17675 states to 17675 states and 23604 transitions. [2022-11-18 20:34:37,462 INFO L78 Accepts]: Start accepts. Automaton has 17675 states and 23604 transitions. Word has length 260 [2022-11-18 20:34:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:34:37,463 INFO L495 AbstractCegarLoop]: Abstraction has 17675 states and 23604 transitions. [2022-11-18 20:34:37,463 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) [2022-11-18 20:34:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 17675 states and 23604 transitions. [2022-11-18 20:34:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-18 20:34:37,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:34:37,490 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] [2022-11-18 20:34:37,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:34:37,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-18 20:34:37,693 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:34:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:34:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash 35277255, now seen corresponding path program 4 times [2022-11-18 20:34:37,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:34:37,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070403248] [2022-11-18 20:34:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:34:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:34:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:34:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:34:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:34:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 20:34:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:34:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:34:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:34:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:34:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 20:34:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:34:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 20:34:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 20:34:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 20:34:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:34:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 20:34:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 20:34:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:34:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:34:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:34:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:34:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-18 20:34:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 20:34:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 20:34:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 20:34:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 20:34:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:34:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:34:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-18 20:34:40,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:34:40,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070403248] [2022-11-18 20:34:40,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070403248] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:34:40,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921557740] [2022-11-18 20:34:40,380 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 20:34:40,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:34:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:34:40,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:34:40,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:34:43,785 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 20:34:43,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:34:43,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 5964 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-18 20:34:43,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:34:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-18 20:34:44,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:34:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-18 20:34:45,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921557740] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:34:45,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:34:45,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2022-11-18 20:34:45,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683178510] [2022-11-18 20:34:45,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:34:45,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-18 20:34:45,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:34:45,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-18 20:34:45,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2022-11-18 20:34:45,343 INFO L87 Difference]: Start difference. First operand 17675 states and 23604 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) [2022-11-18 20:35:08,006 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 [] [2022-11-18 20:35:10,045 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 [] [2022-11-18 20:35:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:35:14,820 INFO L93 Difference]: Finished difference Result 37729 states and 51974 transitions. [2022-11-18 20:35:14,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-18 20:35:14,821 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 [2022-11-18 20:35:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:35:14,884 INFO L225 Difference]: With dead ends: 37729 [2022-11-18 20:35:14,884 INFO L226 Difference]: Without dead ends: 19944 [2022-11-18 20:35:14,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=861, Invalid=2799, Unknown=0, NotChecked=0, Total=3660 [2022-11-18 20:35:14,925 INFO L413 NwaCegarLoop]: 1308 mSDtfsCounter, 671 mSDsluCounter, 12824 mSDsCounter, 0 mSdLazyCounter, 6863 mSolverCounterSat, 684 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 14132 SdHoareTripleChecker+Invalid, 7549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 6863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:35:14,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 14132 Invalid, 7549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [684 Valid, 6863 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-11-18 20:35:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19944 states. [2022-11-18 20:35:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19944 to 17992. [2022-11-18 20:35:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17992 states, 13322 states have (on average 1.2742831406695692) internal successors, (16976), 13468 states have internal predecessors, (16976), 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) [2022-11-18 20:35:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17992 states to 17992 states and 23942 transitions. [2022-11-18 20:35:16,635 INFO L78 Accepts]: Start accepts. Automaton has 17992 states and 23942 transitions. Word has length 269 [2022-11-18 20:35:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:35:16,636 INFO L495 AbstractCegarLoop]: Abstraction has 17992 states and 23942 transitions. [2022-11-18 20:35:16,636 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) [2022-11-18 20:35:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 17992 states and 23942 transitions. [2022-11-18 20:35:16,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-18 20:35:16,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:35:16,671 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] [2022-11-18 20:35:16,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:35:16,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:35:16,872 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:35:16,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:35:16,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1949655975, now seen corresponding path program 5 times [2022-11-18 20:35:16,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:35:16,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913459728] [2022-11-18 20:35:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:35:16,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:35:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:35:25,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:35:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:35:30,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:35:30,557 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:35:30,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:35:30,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-18 20:35:30,562 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] [2022-11-18 20:35:30,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:35:30,632 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 20:35:30,637 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-18 20:35:30,666 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,666 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,667 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,667 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,668 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,669 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,669 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:30,670 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-18 20:35:31,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:35:31 BoogieIcfgContainer [2022-11-18 20:35:31,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:35:31,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:35:31,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:35:31,168 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:35:31,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:29" (3/4) ... [2022-11-18 20:35:31,172 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:35:31,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:35:31,173 INFO L158 Benchmark]: Toolchain (without parser) took 618301.99ms. Allocated memory was 125.8MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 94.2MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2022-11-18 20:35:31,173 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:35:31,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3412.58ms. Allocated memory was 125.8MB in the beginning and 199.2MB in the end (delta: 73.4MB). Free memory was 94.2MB in the beginning and 111.9MB in the end (delta: -17.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2022-11-18 20:35:31,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 414.93ms. Allocated memory is still 199.2MB. Free memory was 111.9MB in the beginning and 114.8MB in the end (delta: -3.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2022-11-18 20:35:31,174 INFO L158 Benchmark]: Boogie Preprocessor took 395.26ms. Allocated memory is still 199.2MB. Free memory was 114.8MB in the beginning and 79.9MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-18 20:35:31,174 INFO L158 Benchmark]: RCFGBuilder took 12536.02ms. Allocated memory was 199.2MB in the beginning and 482.3MB in the end (delta: 283.1MB). Free memory was 79.9MB in the beginning and 310.9MB in the end (delta: -231.1MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. [2022-11-18 20:35:31,174 INFO L158 Benchmark]: TraceAbstraction took 601519.68ms. Allocated memory was 482.3MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 309.9MB in the beginning and 3.1GB in the end (delta: -2.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2022-11-18 20:35:31,175 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 5.0GB. Free memory is still 3.1GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:35:31,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3412.58ms. Allocated memory was 125.8MB in the beginning and 199.2MB in the end (delta: 73.4MB). Free memory was 94.2MB in the beginning and 111.9MB in the end (delta: -17.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 414.93ms. Allocated memory is still 199.2MB. Free memory was 111.9MB in the beginning and 114.8MB in the end (delta: -3.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 395.26ms. Allocated memory is still 199.2MB. Free memory was 114.8MB in the beginning and 79.9MB in the end (delta: 35.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12536.02ms. Allocated memory was 199.2MB in the beginning and 482.3MB in the end (delta: 283.1MB). Free memory was 79.9MB in the beginning and 310.9MB in the end (delta: -231.1MB). Peak memory consumption was 197.5MB. Max. memory is 16.1GB. * TraceAbstraction took 601519.68ms. Allocated memory was 482.3MB in the beginning and 5.0GB in the end (delta: 4.5GB). Free memory was 309.9MB in the beginning and 3.1GB in the end (delta: -2.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 5.0GB. Free memory is still 3.1GB. 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: [L7548] static struct mutex fw_mutex ; [L7741] static char const * const preambles[3U] = { "long", "short", "auto"}; [L10970] Element set_impl[15] ; [L7230] int LDV_IN_INTERRUPT = 1; [L11105] Set LDV_SKBS ; [L7233] struct usb_interface *at76_driver_group1 ; [L7739] struct usb_device_id const __mod_usb__dev_table_device_table ; [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}}; [L10971] int last_index = 0; [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}}}; [L7232] int ref_cnt ; [L8010] static int tx_activity ; [L8019] static struct led_trigger *ledtrig_tx ; [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}; [L7235] int usb_counter ; [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}; [L7236] struct ieee80211_vif *at76_ops_group1 ; [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}}; [L7547] static uint at76_debug = 0U; [L10581] int ldv_retval_0 ; [L7740] static u8 const hw_rates[4U] = { 130U, 132U, 11U, 22U}; [L10582] int ldv_retval_1 ; [L10585] int ldv_retval_2 ; [L7238] struct ieee80211_hw *at76_ops_group0 ; [L7231] int ldv_state_variable_2 ; [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}}; [L7229] int ldv_state_variable_3 ; [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}}; [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}}; [L7237] int ldv_state_variable_0 ; [L7234] int ldv_state_variable_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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={293:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={293:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg3={0:0}, ldvarg5=4294967028, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg3={0:0}, ldvarg5=4294967028, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg3={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg3={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={275:0}, set={0:0}, set_impl={275:0}, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, memset((void *)(& ldvarg8), 0, 4UL)={547:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, memset((void *)(& ldvarg10), 0, 8UL)={293:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={551:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, last_index=0, ldv_func_arg1={279:0}, ldv_func_arg1={279:0}, ldv_func_arg2={18446744073709551335:18446744073709551343}, ldv_func_arg2={18446744073709551335:18446744073709551343}, ldv_func_arg3={269:0}, ldv_func_arg3={269:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={551:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, result=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, result=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={275:0}, skb={18446744073709551321:295}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, length=2364, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, calloc(1UL, size)={-3:0}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, p={-3:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, size=248, tmp={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, cond=1, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, calloc(1UL, size)={-3:0}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, p={-3:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, size=248, tmp={-3:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7182] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-3:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, calloc(1UL, size)={-3:0}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, p={-3:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, size=248, tmp={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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 ))={-3:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, skb={-3:0}, tmp___7={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, e={-3:0}, e={-3:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, e={-3:0}, e={-3:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, e={-3:0}, e={-3:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, e={-3:0}, e={-3:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={275:0}, tx_activity=0, usb_counter=0] [L11116] RET ldv_set_add(LDV_SKBS, skb) [L11117] return (skb); VAL [\old(last_index)=0, \result={-3:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, skb={-3:0}, tmp___7={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={-3:0}, 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={285:0}, length=2364, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tx_activity=0, usb_counter=0] [L10936] tmp = ldv_skb_alloc() [L10937] return (tmp); VAL [\old(last_index)=0, \old(length)=2364, \result={-3:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, length=2364, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, ref_cnt=0, set_impl={275:0}, skb={-3:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, skb={-3:0}, skb={-3:0}, 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={18446744073709551327:-4}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, arg0={-3:0}, arg0={-3:0}, arg1=0, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, ret_val={18446744073709551327:-4}, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={18446744073709551344:18446744073709551332}, ref_cnt=0, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, complete_fn={-1:1}, context={-3:100}, dev={18446744073709551344:18446744073709551332}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, transfer_buffer={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, buffer_length=0, complete_fn={-1:1}, complete_fn={-1:1}, context={-3:100}, context={-3:100}, dev={18446744073709551344:18446744073709551332}, dev={18446744073709551344:18446744073709551332}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, pipe=0, preambles={274:0}, ref_cnt=0, set_impl={275:0}, transfer_buffer={18446744073709551327:-4}, transfer_buffer={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={18446744073709551344:18446744073709551332}, ref_cnt=0, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, arg0={0:-66}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, ref_cnt=0, ret=-1, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, priv={-3:100}, ref_cnt=0, ret=-1, set_impl={275:0}, size=0, skb={-3:0}, tmp___0={18446744073709551327:-4}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_submit_rx_urb(priv)=-1, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, ref_cnt=0, ret=-1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={-3:100}, ref_cnt=0, ret=-1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=1, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=1, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=1, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, arg0={18446744073709551337:683}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, cancel_work_sync(& priv->work_join_bssid)=18446744073709551326, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, arg0={18446744073709551337:531}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, cancel_work_sync(& priv->work_set_promisc)=18446744073709551340, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, tx_activity=0, usb_counter=0] [L9754] EXPR (unsigned char *)priv + 1032UL VAL [(unsigned char *)priv + 1032UL=-257, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, priv={18446744073709551337:319}, ref_cnt=1, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, arg={279:0}, arg={279:0}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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=18446744073709551331, ldvarg10={293:0}, ldvarg11={0:0}, ldvarg12=4294967022, ldvarg13=4294967002, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967028, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={547:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tmp={0:0}, tmp___0=18446744073709551331, 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=4294967022, tmp___5=4294967028, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967002, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, 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={18446744073709551335:18446744073709551343}, at76_channels={276:0}, at76_debug=0, at76_driver={279:0}, at76_driver_group1={0:0}, at76_ops={280:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={281:0}, at76_supported_band={277:0}, boot_tvec_bases={18446744073709551323:18446744073709551334}, dev_table={284:0}, firmwares={283:0}, fw_mutex={273:0}, hw_rates={282:0}, 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={285:0}, preambles={274:0}, ref_cnt=0, set_impl={275:0}, tx_activity=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 69 procedures, 1327 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 600.8s, OverallIterations: 26, TraceHistogramMax: 13, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.9s, AutomataDifference: 472.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 100 mSolverCounterUnknown, 42792 SdHoareTripleChecker+Valid, 423.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40106 mSDsluCounter, 188014 SdHoareTripleChecker+Invalid, 402.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146559 mSDsCounter, 23554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82666 IncrementalHoareTripleChecker+Invalid, 106320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23554 mSolverCounterUnsat, 41455 mSDtfsCounter, 82666 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4696 GetRequests, 4355 SyntacticMatches, 2 SemanticMatches, 339 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44126occurred in iteration=9, InterpolantAutomatonStates: 280, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 31.6s AutomataMinimizationTime, 25 MinimizatonAttempts, 63496 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 47.6s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 7415 NumberOfCodeBlocks, 7201 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 8352 ConstructedInterpolants, 0 QuantifiedInterpolants, 14759 SizeOfPredicates, 26 NumberOfNonLiveVariables, 49586 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 39 InterpolantComputations, 20 PerfectInterpolantSequences, 11814/12151 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 [2022-11-18 20:35:31,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/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_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 20:35:33,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:35:33,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:35:33,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:35:33,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:35:33,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:35:33,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:35:33,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:35:33,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:35:34,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:35:34,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:35:34,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:35:34,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:35:34,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:35:34,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:35:34,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:35:34,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:35:34,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:35:34,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:35:34,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:35:34,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:35:34,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:35:34,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:35:34,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:35:34,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:35:34,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:35:34,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:35:34,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:35:34,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:35:34,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:35:34,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:35:34,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:35:34,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:35:34,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:35:34,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:35:34,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:35:34,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:35:34,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:35:34,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:35:34,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:35:34,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:35:34,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:35:34,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:35:34,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:35:34,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:35:34,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:35:34,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:35:34,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:35:34,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:35:34,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:35:34,128 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:35:34,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:35:34,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:35:34,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:35:34,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:35:34,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:35:34,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:35:34,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:35:34,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:35:34,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:35:34,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:35:34,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:35:34,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:35:34,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:35:34,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:35:34,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:35:34,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:35:34,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:35:34,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:35:34,134 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:35:34,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:35:34,134 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:35:34,135 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:35:34,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:35:34,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:35:34,135 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_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-11-18 20:35:34,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:35:34,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:35:34,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:35:34,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:35:34,616 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:35:34,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 20:35:34,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/f14027c4b/7e7a14333e5d4eba82e4c14440304ac7/FLAGe0f0c7071 [2022-11-18 20:35:35,748 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:35:35,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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 [2022-11-18 20:35:35,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/f14027c4b/7e7a14333e5d4eba82e4c14440304ac7/FLAGe0f0c7071 [2022-11-18 20:35:36,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/data/f14027c4b/7e7a14333e5d4eba82e4c14440304ac7 [2022-11-18 20:35:36,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:35:36,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:35:36,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:35:36,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:35:36,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:35:36,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:36" (1/1) ... [2022-11-18 20:35:36,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b73f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:36, skipping insertion in model container [2022-11-18 20:35:36,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:35:36" (1/1) ... [2022-11-18 20:35:36,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:35:36,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:35:37,524 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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] [2022-11-18 20:35:38,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:35:39,006 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 20:35:39,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:35:39,255 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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] [2022-11-18 20:35:39,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:35:39,519 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:35:39,719 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/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] [2022-11-18 20:35:40,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:35:40,176 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:35:40,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40 WrapperNode [2022-11-18 20:35:40,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:35:40,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:35:40,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:35:40,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:35:40,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,547 INFO L138 Inliner]: procedures = 254, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5159 [2022-11-18 20:35:40,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:35:40,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:35:40,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:35:40,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:35:40,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,816 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:35:40,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:35:40,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:35:40,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:35:40,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (1/1) ... [2022-11-18 20:35:40,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:35:40,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:35:41,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:35:41,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:35:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-11-18 20:35:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-11-18 20:35:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-11-18 20:35:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-11-18 20:35:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-11-18 20:35:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-11-18 20:35:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 20:35:41,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 20:35:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:35:41,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:35:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:35:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-18 20:35:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-18 20:35:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-11-18 20:35:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-11-18 20:35:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-11-18 20:35:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-11-18 20:35:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-11-18 20:35:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-11-18 20:35:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:35:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:35:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-18 20:35:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-18 20:35:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-11-18 20:35:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-11-18 20:35:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-11-18 20:35:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-11-18 20:35:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:35:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:35:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-18 20:35:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-18 20:35:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:35:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:35:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:35:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:35:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:35:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:35:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:35:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:35:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:35:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:35:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-18 20:35:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-18 20:35:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-11-18 20:35:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-11-18 20:35:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-18 20:35:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-11-18 20:35:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-11-18 20:35:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-11-18 20:35:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-11-18 20:35:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 20:35:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 20:35:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 20:35:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:35:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 20:35:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:35:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 20:35:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-11-18 20:35:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-11-18 20:35:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 20:35:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 20:35:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-11-18 20:35:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-11-18 20:35:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-11-18 20:35:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-11-18 20:35:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-18 20:35:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 20:35:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 20:35:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-18 20:35:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-18 20:35:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:35:41,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:35:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-18 20:35:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-18 20:35:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:35:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:35:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-18 20:35:41,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-18 20:35:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:35:41,091 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:35:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-11-18 20:35:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-11-18 20:35:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-18 20:35:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-18 20:35:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:35:41,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:35:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-11-18 20:35:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-11-18 20:35:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-11-18 20:35:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-11-18 20:35:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-11-18 20:35:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-11-18 20:35:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-11-18 20:35:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-11-18 20:35:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-11-18 20:35:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-11-18 20:35:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-18 20:35:41,096 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-18 20:35:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:35:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:35:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-18 20:35:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-18 20:35:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 20:35:41,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 20:35:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-18 20:35:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-18 20:35:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 20:35:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 20:35:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-11-18 20:35:41,102 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-11-18 20:35:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-11-18 20:35:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-11-18 20:35:41,108 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-11-18 20:35:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-11-18 20:35:41,109 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:35:41,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:35:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 20:35:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 20:35:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 20:35:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 20:35:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:35:41,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:35:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-11-18 20:35:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-11-18 20:35:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-11-18 20:35:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-11-18 20:35:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:35:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-11-18 20:35:41,115 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-11-18 20:35:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-18 20:35:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-18 20:35:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:35:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:35:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:35:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:35:41,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:35:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:35:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 20:35:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 20:35:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 20:35:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 20:35:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 20:35:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:35:41,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:35:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-18 20:35:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-18 20:35:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:35:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:35:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-11-18 20:35:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-11-18 20:35:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:35:41,118 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:35:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-18 20:35:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-18 20:35:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-18 20:35:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-18 20:35:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 20:35:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-11-18 20:35:41,119 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-11-18 20:35:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:35:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:35:41,120 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-18 20:35:41,120 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-18 20:35:42,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:35:42,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:35:43,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:36:18,043 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:36:18,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:36:18,060 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:36:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:18 BoogieIcfgContainer [2022-11-18 20:36:18,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:36:18,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:36:18,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:36:18,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:36:18,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:35:36" (1/3) ... [2022-11-18 20:36:18,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d7046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:18, skipping insertion in model container [2022-11-18 20:36:18,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:35:40" (2/3) ... [2022-11-18 20:36:18,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495d7046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:18, skipping insertion in model container [2022-11-18 20:36:18,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:18" (3/3) ... [2022-11-18 20:36:18,074 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 [2022-11-18 20:36:18,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:36:18,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:36:18,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:36:18,185 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;@1d3bd8ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:36:18,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:36:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 1320 states, 955 states have (on average 1.3853403141361256) internal successors, (1323), 979 states have internal predecessors, (1323), 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) [2022-11-18 20:36:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-18 20:36:18,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:18,224 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] [2022-11-18 20:36:18,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:18,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:18,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1019166829, now seen corresponding path program 1 times [2022-11-18 20:36:18,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:18,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459413776] [2022-11-18 20:36:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:18,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:18,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:18,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:36:18,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:36:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 3852 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:36:22,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-18 20:36:22,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:36:22,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:22,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459413776] [2022-11-18 20:36:22,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459413776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:22,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:22,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:36:22,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054400007] [2022-11-18 20:36:22,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:22,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:36:22,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:36:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:36:22,974 INFO L87 Difference]: Start difference. First operand has 1320 states, 955 states have (on average 1.3853403141361256) internal successors, (1323), 979 states have internal predecessors, (1323), 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 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:36:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:23,519 INFO L93 Difference]: Finished difference Result 2638 states and 3912 transitions. [2022-11-18 20:36:23,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:36:23,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-11-18 20:36:23,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:23,564 INFO L225 Difference]: With dead ends: 2638 [2022-11-18 20:36:23,565 INFO L226 Difference]: Without dead ends: 1309 [2022-11-18 20:36:23,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:36:23,586 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 2 mSDsluCounter, 3783 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:23,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5681 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:36:23,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2022-11-18 20:36:23,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2022-11-18 20:36:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 951 states have (on average 1.3722397476340693) internal successors, (1305), 968 states have internal predecessors, (1305), 291 states have call successors, (291), 67 states have call predecessors, (291), 66 states have return successors, (290), 289 states have call predecessors, (290), 290 states have call successors, (290) [2022-11-18 20:36:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1886 transitions. [2022-11-18 20:36:23,741 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1886 transitions. Word has length 80 [2022-11-18 20:36:23,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:23,743 INFO L495 AbstractCegarLoop]: Abstraction has 1309 states and 1886 transitions. [2022-11-18 20:36:23,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:36:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1886 transitions. [2022-11-18 20:36:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 20:36:23,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:23,749 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-11-18 20:36:23,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-18 20:36:23,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:23,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:23,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:23,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1341077699, now seen corresponding path program 1 times [2022-11-18 20:36:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:23,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560210811] [2022-11-18 20:36:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:23,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:23,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:36:23,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:36:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:28,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 3874 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:36:28,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-18 20:36:28,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:36:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-18 20:36:29,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:29,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560210811] [2022-11-18 20:36:29,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560210811] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:36:29,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:36:29,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 20:36:29,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101278629] [2022-11-18 20:36:29,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:36:29,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:36:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:29,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:36:29,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:36:29,313 INFO L87 Difference]: Start difference. First operand 1309 states and 1886 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:36:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:30,614 INFO L93 Difference]: Finished difference Result 2608 states and 3784 transitions. [2022-11-18 20:36:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:36:30,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-11-18 20:36:30,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:30,628 INFO L225 Difference]: With dead ends: 2608 [2022-11-18 20:36:30,628 INFO L226 Difference]: Without dead ends: 1318 [2022-11-18 20:36:30,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:36:30,635 INFO L413 NwaCegarLoop]: 1874 mSDtfsCounter, 12 mSDsluCounter, 5607 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7481 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:30,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7481 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 20:36:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-11-18 20:36:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1318. [2022-11-18 20:36:30,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 959 states have (on average 1.3722627737226278) internal successors, (1316), 976 states have internal predecessors, (1316), 291 states have call successors, (291), 68 states have call predecessors, (291), 67 states have return successors, (290), 289 states have call predecessors, (290), 290 states have call successors, (290) [2022-11-18 20:36:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1897 transitions. [2022-11-18 20:36:30,710 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1897 transitions. Word has length 82 [2022-11-18 20:36:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:30,711 INFO L495 AbstractCegarLoop]: Abstraction has 1318 states and 1897 transitions. [2022-11-18 20:36:30,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 20:36:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1897 transitions. [2022-11-18 20:36:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 20:36:30,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:30,715 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 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] [2022-11-18 20:36:30,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-18 20:36:30,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:30,944 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:30,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:30,944 INFO L85 PathProgramCache]: Analyzing trace with hash -170799155, now seen corresponding path program 2 times [2022-11-18 20:36:30,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:30,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714267262] [2022-11-18 20:36:30,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:36:30,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:30,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:36:30,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:36:34,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 20:36:34,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:36:35,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 3696 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:36:35,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-18 20:36:35,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:36:35,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:35,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714267262] [2022-11-18 20:36:35,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714267262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:35,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:35,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:36:35,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247289397] [2022-11-18 20:36:35,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:35,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:36:35,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:35,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:36:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:36:35,125 INFO L87 Difference]: Start difference. First operand 1318 states and 1897 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-18 20:36:35,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:35,870 INFO L93 Difference]: Finished difference Result 3876 states and 5587 transitions. [2022-11-18 20:36:35,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:36:35,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 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 86 [2022-11-18 20:36:35,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:35,888 INFO L225 Difference]: With dead ends: 3876 [2022-11-18 20:36:35,888 INFO L226 Difference]: Without dead ends: 2582 [2022-11-18 20:36:35,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:36:35,899 INFO L413 NwaCegarLoop]: 2172 mSDtfsCounter, 1821 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 4031 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:35,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 4031 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 20:36:35,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2582 states. [2022-11-18 20:36:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2582 to 2582. [2022-11-18 20:36:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 1880 states have (on average 1.376595744680851) internal successors, (2588), 1914 states have internal predecessors, (2588), 567 states have call successors, (567), 135 states have call predecessors, (567), 134 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-11-18 20:36:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3721 transitions. [2022-11-18 20:36:36,054 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3721 transitions. Word has length 86 [2022-11-18 20:36:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:36,055 INFO L495 AbstractCegarLoop]: Abstraction has 2582 states and 3721 transitions. [2022-11-18 20:36:36,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-18 20:36:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3721 transitions. [2022-11-18 20:36:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-18 20:36:36,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:36,061 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 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] [2022-11-18 20:36:36,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:36:36,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:36,286 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:36,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:36,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1809149807, now seen corresponding path program 1 times [2022-11-18 20:36:36,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:36,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [315519465] [2022-11-18 20:36:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:36,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:36,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:36,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:36:36,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:36:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:41,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 3989 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:36:41,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-18 20:36:41,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:36:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-18 20:36:42,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:42,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [315519465] [2022-11-18 20:36:42,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [315519465] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:36:42,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:36:42,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-18 20:36:42,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45615438] [2022-11-18 20:36:42,460 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:36:42,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:36:42,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:42,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:36:42,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:36:42,462 INFO L87 Difference]: Start difference. First operand 2582 states and 3721 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 20:36:44,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:44,396 INFO L93 Difference]: Finished difference Result 5157 states and 7477 transitions. [2022-11-18 20:36:44,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:36:44,398 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2022-11-18 20:36:44,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:44,416 INFO L225 Difference]: With dead ends: 5157 [2022-11-18 20:36:44,416 INFO L226 Difference]: Without dead ends: 2594 [2022-11-18 20:36:44,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:36:44,428 INFO L413 NwaCegarLoop]: 1872 mSDtfsCounter, 23 mSDsluCounter, 11192 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 13064 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:44,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 13064 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:36:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2022-11-18 20:36:44,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2594. [2022-11-18 20:36:44,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 1891 states have (on average 1.375462718138551) internal successors, (2601), 1925 states have internal predecessors, (2601), 567 states have call successors, (567), 136 states have call predecessors, (567), 135 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-11-18 20:36:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3734 transitions. [2022-11-18 20:36:44,565 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3734 transitions. Word has length 102 [2022-11-18 20:36:44,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:44,566 INFO L495 AbstractCegarLoop]: Abstraction has 2594 states and 3734 transitions. [2022-11-18 20:36:44,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 20:36:44,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3734 transitions. [2022-11-18 20:36:44,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 20:36:44,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:44,576 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-11-18 20:36:44,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:36:44,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:44,798 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:44,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash -622470191, now seen corresponding path program 2 times [2022-11-18 20:36:44,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:44,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272054750] [2022-11-18 20:36:44,802 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:36:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:36:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:44,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:36:44,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864fd77-7283-4c8e-bf7c-f28ed8996d78/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process